Home / 120,997.13-181,495.89-47,125.13

Finding the Fourth Proportional to 120,997.13, 181,495.89 and 47,125.13

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Solution

The fourth proportional to 120,997.13, 181,495.89 and 47,125.13 is: 70,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,997.13 : 181,495.89 = 47,125.13 : x
  2. Step 2: Convert to fraction form
    120,997.13/181,495.89 = 47,125.13/x
  3. Step 3: Cross multiply
    120,997.13x = 181,495.89 × 47,125.13
  4. Step 4: Simplify right side
    120,997.13x = 8,553,016,503.24
  5. Step 5: Solve for x
    x = 8,553,016,503.24/120,997.13
  6. Step 6: Final answer
    x = 70,687.77

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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.