Home / 131,425.52-181,367.03-74,836.89

Finding the Fourth Proportional to 131,425.52, 181,367.03 and 74,836.89

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Solution

The fourth proportional to 131,425.52, 181,367.03 and 74,836.89 is: 103,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.52 : 181,367.03 = 74,836.89 : x
  2. Step 2: Convert to fraction form
    131,425.52/181,367.03 = 74,836.89/x
  3. Step 3: Cross multiply
    131,425.52x = 181,367.03 × 74,836.89
  4. Step 4: Simplify right side
    131,425.52x = 13,572,944,660.83
  5. Step 5: Solve for x
    x = 13,572,944,660.83/131,425.52
  6. Step 6: Final answer
    x = 103,274.81

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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.