Home / 131,553.70-197,233.35-72,456.10

Finding the Fourth Proportional to 131,553.70, 197,233.35 and 72,456.10

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Solution

The fourth proportional to 131,553.70, 197,233.35 and 72,456.10 is: 108,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,553.70 : 197,233.35 = 72,456.10 : x
  2. Step 2: Convert to fraction form
    131,553.70/197,233.35 = 72,456.10/x
  3. Step 3: Cross multiply
    131,553.70x = 197,233.35 × 72,456.10
  4. Step 4: Simplify right side
    131,553.70x = 14,290,759,330.94
  5. Step 5: Solve for x
    x = 14,290,759,330.94/131,553.70
  6. Step 6: Final answer
    x = 108,630.61

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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.