Home / 131,712.49-181,744.83-73,569.88

Finding the Fourth Proportional to 131,712.49, 181,744.83 and 73,569.88

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Solution

The fourth proportional to 131,712.49, 181,744.83 and 73,569.88 is: 101,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,712.49 : 181,744.83 = 73,569.88 : x
  2. Step 2: Convert to fraction form
    131,712.49/181,744.83 = 73,569.88/x
  3. Step 3: Cross multiply
    131,712.49x = 181,744.83 × 73,569.88
  4. Step 4: Simplify right side
    131,712.49x = 13,370,945,560.90
  5. Step 5: Solve for x
    x = 13,370,945,560.90/131,712.49
  6. Step 6: Final answer
    x = 101,516.15

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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.