Home / 187,580.20-258,850.47-102,680.86

Finding the Fourth Proportional to 187,580.20, 258,850.47 and 102,680.86

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Solution

The fourth proportional to 187,580.20, 258,850.47 and 102,680.86 is: 141,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,580.20 : 258,850.47 = 102,680.86 : x
  2. Step 2: Convert to fraction form
    187,580.20/258,850.47 = 102,680.86/x
  3. Step 3: Cross multiply
    187,580.20x = 258,850.47 × 102,680.86
  4. Step 4: Simplify right side
    187,580.20x = 26,578,988,871.00
  5. Step 5: Solve for x
    x = 26,578,988,871.00/187,580.20
  6. Step 6: Final answer
    x = 141,694.00

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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.