Home / 104,616.60-156,773.45-72,125.45

Finding the Fourth Proportional to 104,616.60, 156,773.45 and 72,125.45

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Solution

The fourth proportional to 104,616.60, 156,773.45 and 72,125.45 is: 108,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616.60 : 156,773.45 = 72,125.45 : x
  2. Step 2: Convert to fraction form
    104,616.60/156,773.45 = 72,125.45/x
  3. Step 3: Cross multiply
    104,616.60x = 156,773.45 × 72,125.45
  4. Step 4: Simplify right side
    104,616.60x = 11,307,355,660.61
  5. Step 5: Solve for x
    x = 11,307,355,660.61/104,616.60
  6. Step 6: Final answer
    x = 108,083.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.