Home / 102,233.40-141,078.96-56,909.04

Finding the Fourth Proportional to 102,233.40, 141,078.96 and 56,909.04

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Solution

The fourth proportional to 102,233.40, 141,078.96 and 56,909.04 is: 78,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,233.40 : 141,078.96 = 56,909.04 : x
  2. Step 2: Convert to fraction form
    102,233.40/141,078.96 = 56,909.04/x
  3. Step 3: Cross multiply
    102,233.40x = 141,078.96 × 56,909.04
  4. Step 4: Simplify right side
    102,233.40x = 8,028,668,177.80
  5. Step 5: Solve for x
    x = 8,028,668,177.80/102,233.40
  6. Step 6: Final answer
    x = 78,532.73

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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.