Home / 187,568.28-258,850.76-102,685.95

Finding the Fourth Proportional to 187,568.28, 258,850.76 and 102,685.95

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Solution

The fourth proportional to 187,568.28, 258,850.76 and 102,685.95 is: 141,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,568.28 : 258,850.76 = 102,685.95 : x
  2. Step 2: Convert to fraction form
    187,568.28/258,850.76 = 102,685.95/x
  3. Step 3: Cross multiply
    187,568.28x = 258,850.76 × 102,685.95
  4. Step 4: Simplify right side
    187,568.28x = 26,580,335,685.39
  5. Step 5: Solve for x
    x = 26,580,335,685.39/187,568.28
  6. Step 6: Final answer
    x = 141,710.19

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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.