Home / 90,054-135,081-24,390

Finding the Fourth Proportional to 90,054, 135,081 and 24,390

Calculator

Solution

The fourth proportional to 90,054, 135,081 and 24,390 is: 36,585

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,054 : 135,081 = 24,390 : x
  2. Step 2: Convert to fraction form
    90,054/135,081 = 24,390/x
  3. Step 3: Cross multiply
    90,054x = 135,081 × 24,390
  4. Step 4: Simplify right side
    90,054x = 3,294,625,590
  5. Step 5: Solve for x
    x = 3,294,625,590/90,054
  6. Step 6: Final answer
    x = 36,585

Related Problems

Find fourth proportional to 45,027, 67,540.50 and 12,195
Half scale
Find fourth proportional to 180,108, 270,162 and 48,780
Double scale
Find fourth proportional to 90,055, 135,082.50 and 24,391
Similar ratio
Find fourth proportional to 135,081, 202,621.50 and 36,585
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.