Home / 90,734.35-136,129.19-46,392.24

Finding the Fourth Proportional to 90,734.35, 136,129.19 and 46,392.24

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Solution

The fourth proportional to 90,734.35, 136,129.19 and 46,392.24 is: 69,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.35 : 136,129.19 = 46,392.24 : x
  2. Step 2: Convert to fraction form
    90,734.35/136,129.19 = 46,392.24/x
  3. Step 3: Cross multiply
    90,734.35x = 136,129.19 × 46,392.24
  4. Step 4: Simplify right side
    90,734.35x = 6,315,338,053.49
  5. Step 5: Solve for x
    x = 6,315,338,053.49/90,734.35
  6. Step 6: Final answer
    x = 69,602.51

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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.