Home / 187,153.38-258,267.42-102,270.96

Finding the Fourth Proportional to 187,153.38, 258,267.42 and 102,270.96

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Solution

The fourth proportional to 187,153.38, 258,267.42 and 102,270.96 is: 141,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,153.38 : 258,267.42 = 102,270.96 : x
  2. Step 2: Convert to fraction form
    187,153.38/258,267.42 = 102,270.96/x
  3. Step 3: Cross multiply
    187,153.38x = 258,267.42 × 102,270.96
  4. Step 4: Simplify right side
    187,153.38x = 26,413,256,980.12
  5. Step 5: Solve for x
    x = 26,413,256,980.12/187,153.38
  6. Step 6: Final answer
    x = 141,131.61

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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.