Home / 123,628.48-185,381.28-39,377.68

Finding the Fourth Proportional to 123,628.48, 185,381.28 and 39,377.68

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Solution

The fourth proportional to 123,628.48, 185,381.28 and 39,377.68 is: 59,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.48 : 185,381.28 = 39,377.68 : x
  2. Step 2: Convert to fraction form
    123,628.48/185,381.28 = 39,377.68/x
  3. Step 3: Cross multiply
    123,628.48x = 185,381.28 × 39,377.68
  4. Step 4: Simplify right side
    123,628.48x = 7,299,884,721.83
  5. Step 5: Solve for x
    x = 7,299,884,721.83/123,628.48
  6. Step 6: Final answer
    x = 59,046.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.