Home / 125,932.86-173,780.55-72,220.14

Finding the Fourth Proportional to 125,932.86, 173,780.55 and 72,220.14

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Solution

The fourth proportional to 125,932.86, 173,780.55 and 72,220.14 is: 99,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,932.86 : 173,780.55 = 72,220.14 : x
  2. Step 2: Convert to fraction form
    125,932.86/173,780.55 = 72,220.14/x
  3. Step 3: Cross multiply
    125,932.86x = 173,780.55 × 72,220.14
  4. Step 4: Simplify right side
    125,932.86x = 12,550,455,650.28
  5. Step 5: Solve for x
    x = 12,550,455,650.28/125,932.86
  6. Step 6: Final answer
    x = 99,659.90

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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.