Home / 187,006.56-258,079.52-102,131.52

Finding the Fourth Proportional to 187,006.56, 258,079.52 and 102,131.52

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Solution

The fourth proportional to 187,006.56, 258,079.52 and 102,131.52 is: 140,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,006.56 : 258,079.52 = 102,131.52 : x
  2. Step 2: Convert to fraction form
    187,006.56/258,079.52 = 102,131.52/x
  3. Step 3: Cross multiply
    187,006.56x = 258,079.52 × 102,131.52
  4. Step 4: Simplify right side
    187,006.56x = 26,358,053,658.47
  5. Step 5: Solve for x
    x = 26,358,053,658.47/187,006.56
  6. Step 6: Final answer
    x = 140,947.21

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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.