Home / 225,171.86-310,723.17-124,569.86

Finding the Fourth Proportional to 225,171.86, 310,723.17 and 124,569.86

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Solution

The fourth proportional to 225,171.86, 310,723.17 and 124,569.86 is: 171,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,171.86 : 310,723.17 = 124,569.86 : x
  2. Step 2: Convert to fraction form
    225,171.86/310,723.17 = 124,569.86/x
  3. Step 3: Cross multiply
    225,171.86x = 310,723.17 × 124,569.86
  4. Step 4: Simplify right side
    225,171.86x = 38,706,741,785.66
  5. Step 5: Solve for x
    x = 38,706,741,785.66/225,171.86
  6. Step 6: Final answer
    x = 171,898.66

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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.