Home / 90,689.53-136,034.13-24,129.67

Finding the Fourth Proportional to 90,689.53, 136,034.13 and 24,129.67

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Solution

The fourth proportional to 90,689.53, 136,034.13 and 24,129.67 is: 36,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,689.53 : 136,034.13 = 24,129.67 : x
  2. Step 2: Convert to fraction form
    90,689.53/136,034.13 = 24,129.67/x
  3. Step 3: Cross multiply
    90,689.53x = 136,034.13 × 24,129.67
  4. Step 4: Simplify right side
    90,689.53x = 3,282,458,665.64
  5. Step 5: Solve for x
    x = 3,282,458,665.64/90,689.53
  6. Step 6: Final answer
    x = 36,194.46

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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.