Home / 131,177.49-181,024.11-74,588.87

Finding the Fourth Proportional to 131,177.49, 181,024.11 and 74,588.87

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Solution

The fourth proportional to 131,177.49, 181,024.11 and 74,588.87 is: 102,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,177.49 : 181,024.11 = 74,588.87 : x
  2. Step 2: Convert to fraction form
    131,177.49/181,024.11 = 74,588.87/x
  3. Step 3: Cross multiply
    131,177.49x = 181,024.11 × 74,588.87
  4. Step 4: Simplify right side
    131,177.49x = 13,502,382,902.54
  5. Step 5: Solve for x
    x = 13,502,382,902.54/131,177.49
  6. Step 6: Final answer
    x = 102,932.16

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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.