Home / 225,154.24-310,711.73-123,177.85

Finding the Fourth Proportional to 225,154.24, 310,711.73 and 123,177.85

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Solution

The fourth proportional to 225,154.24, 310,711.73 and 123,177.85 is: 169,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,154.24 : 310,711.73 = 123,177.85 : x
  2. Step 2: Convert to fraction form
    225,154.24/310,711.73 = 123,177.85/x
  3. Step 3: Cross multiply
    225,154.24x = 310,711.73 × 123,177.85
  4. Step 4: Simplify right side
    225,154.24x = 38,272,801,478.51
  5. Step 5: Solve for x
    x = 38,272,801,478.51/225,154.24
  6. Step 6: Final answer
    x = 169,984.82

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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.