Home / 102,393.97-141,304.33-57,074.83

Finding the Fourth Proportional to 102,393.97, 141,304.33 and 57,074.83

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Solution

The fourth proportional to 102,393.97, 141,304.33 and 57,074.83 is: 78,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,393.97 : 141,304.33 = 57,074.83 : x
  2. Step 2: Convert to fraction form
    102,393.97/141,304.33 = 57,074.83/x
  3. Step 3: Cross multiply
    102,393.97x = 141,304.33 × 57,074.83
  4. Step 4: Simplify right side
    102,393.97x = 8,064,920,331.10
  5. Step 5: Solve for x
    x = 8,064,920,331.10/102,393.97
  6. Step 6: Final answer
    x = 78,763.62

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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.