Home / 124,375.05-171,463.65-105,177.69

Finding the Fourth Proportional to 124,375.05, 171,463.65 and 105,177.69

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Solution

The fourth proportional to 124,375.05, 171,463.65 and 105,177.69 is: 144,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.05 : 171,463.65 = 105,177.69 : x
  2. Step 2: Convert to fraction form
    124,375.05/171,463.65 = 105,177.69/x
  3. Step 3: Cross multiply
    124,375.05x = 171,463.65 × 105,177.69
  4. Step 4: Simplify right side
    124,375.05x = 18,034,150,625.97
  5. Step 5: Solve for x
    x = 18,034,150,625.97/124,375.05
  6. Step 6: Final answer
    x = 144,998.14

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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.