Home / 187,114.14-258,214.50-102,229.38

Finding the Fourth Proportional to 187,114.14, 258,214.50 and 102,229.38

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Solution

The fourth proportional to 187,114.14, 258,214.50 and 102,229.38 is: 141,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,114.14 : 258,214.50 = 102,229.38 : x
  2. Step 2: Convert to fraction form
    187,114.14/258,214.50 = 102,229.38/x
  3. Step 3: Cross multiply
    187,114.14x = 258,214.50 × 102,229.38
  4. Step 4: Simplify right side
    187,114.14x = 26,397,108,242.01
  5. Step 5: Solve for x
    x = 26,397,108,242.01/187,114.14
  6. Step 6: Final answer
    x = 141,074.90

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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.