Home / 90,146.68-124,397.52-49,858.10

Finding the Fourth Proportional to 90,146.68, 124,397.52 and 49,858.10

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Solution

The fourth proportional to 90,146.68, 124,397.52 and 49,858.10 is: 68,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,146.68 : 124,397.52 = 49,858.10 : x
  2. Step 2: Convert to fraction form
    90,146.68/124,397.52 = 49,858.10/x
  3. Step 3: Cross multiply
    90,146.68x = 124,397.52 × 49,858.10
  4. Step 4: Simplify right side
    90,146.68x = 6,202,223,991.91
  5. Step 5: Solve for x
    x = 6,202,223,991.91/90,146.68
  6. Step 6: Final answer
    x = 68,801.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.