Home / 83,439.32-124,414.68-74,166.44

Finding the Fourth Proportional to 83,439.32, 124,414.68 and 74,166.44

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Solution

The fourth proportional to 83,439.32, 124,414.68 and 74,166.44 is: 110,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.32 : 124,414.68 = 74,166.44 : x
  2. Step 2: Convert to fraction form
    83,439.32/124,414.68 = 74,166.44/x
  3. Step 3: Cross multiply
    83,439.32x = 124,414.68 × 74,166.44
  4. Step 4: Simplify right side
    83,439.32x = 9,227,393,555.39
  5. Step 5: Solve for x
    x = 9,227,393,555.39/83,439.32
  6. Step 6: Final answer
    x = 110,588.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.