Home / 187,151.52-258,245.10-106,567.86

Finding the Fourth Proportional to 187,151.52, 258,245.10 and 106,567.86

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Solution

The fourth proportional to 187,151.52, 258,245.10 and 106,567.86 is: 147,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,151.52 : 258,245.10 = 106,567.86 : x
  2. Step 2: Convert to fraction form
    187,151.52/258,245.10 = 106,567.86/x
  3. Step 3: Cross multiply
    187,151.52x = 258,245.10 × 106,567.86
  4. Step 4: Simplify right side
    187,151.52x = 27,520,627,662.49
  5. Step 5: Solve for x
    x = 27,520,627,662.49/187,151.52
  6. Step 6: Final answer
    x = 147,049.98

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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.