Home / 187,775.52-258,988.94-130,414.91

Finding the Fourth Proportional to 187,775.52, 258,988.94 and 130,414.91

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Solution

The fourth proportional to 187,775.52, 258,988.94 and 130,414.91 is: 179,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,775.52 : 258,988.94 = 130,414.91 : x
  2. Step 2: Convert to fraction form
    187,775.52/258,988.94 = 130,414.91/x
  3. Step 3: Cross multiply
    187,775.52x = 258,988.94 × 130,414.91
  4. Step 4: Simplify right side
    187,775.52x = 33,776,020,033.53
  5. Step 5: Solve for x
    x = 33,776,020,033.53/187,775.52
  6. Step 6: Final answer
    x = 179,874.46

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1.5x scale

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.