Home / 187,233.86-258,382.80-102,350.90

Finding the Fourth Proportional to 187,233.86, 258,382.80 and 102,350.90

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Solution

The fourth proportional to 187,233.86, 258,382.80 and 102,350.90 is: 141,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,233.86 : 258,382.80 = 102,350.90 : x
  2. Step 2: Convert to fraction form
    187,233.86/258,382.80 = 102,350.90/x
  3. Step 3: Cross multiply
    187,233.86x = 258,382.80 × 102,350.90
  4. Step 4: Simplify right side
    187,233.86x = 26,445,712,124.52
  5. Step 5: Solve for x
    x = 26,445,712,124.52/187,233.86
  6. Step 6: Final answer
    x = 141,244.28

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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.