Home / 124,773.24-187,104.52-77,386.40

Finding the Fourth Proportional to 124,773.24, 187,104.52 and 77,386.40

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Solution

The fourth proportional to 124,773.24, 187,104.52 and 77,386.40 is: 116,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,773.24 : 187,104.52 = 77,386.40 : x
  2. Step 2: Convert to fraction form
    124,773.24/187,104.52 = 77,386.40/x
  3. Step 3: Cross multiply
    124,773.24x = 187,104.52 × 77,386.40
  4. Step 4: Simplify right side
    124,773.24x = 14,479,345,226.53
  5. Step 5: Solve for x
    x = 14,479,345,226.53/124,773.24
  6. Step 6: Final answer
    x = 116,045.28

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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.