Home / 187,391.20-258,601.90-102,508.26

Finding the Fourth Proportional to 187,391.20, 258,601.90 and 102,508.26

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Solution

The fourth proportional to 187,391.20, 258,601.90 and 102,508.26 is: 141,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,391.20 : 258,601.90 = 102,508.26 : x
  2. Step 2: Convert to fraction form
    187,391.20/258,601.90 = 102,508.26/x
  3. Step 3: Cross multiply
    187,391.20x = 258,601.90 × 102,508.26
  4. Step 4: Simplify right side
    187,391.20x = 26,508,830,801.69
  5. Step 5: Solve for x
    x = 26,508,830,801.69/187,391.20
  6. Step 6: Final answer
    x = 141,462.52

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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.