Home / 187,205.86-258,335.10-102,322.96

Finding the Fourth Proportional to 187,205.86, 258,335.10 and 102,322.96

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Solution

The fourth proportional to 187,205.86, 258,335.10 and 102,322.96 is: 141,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,205.86 : 258,335.10 = 102,322.96 : x
  2. Step 2: Convert to fraction form
    187,205.86/258,335.10 = 102,322.96/x
  3. Step 3: Cross multiply
    187,205.86x = 258,335.10 × 102,322.96
  4. Step 4: Simplify right side
    187,205.86x = 26,433,612,103.90
  5. Step 5: Solve for x
    x = 26,433,612,103.90/187,205.86
  6. Step 6: Final answer
    x = 141,200.77

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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.