Home / 187,755.38-259,102.98-101,715.23

Finding the Fourth Proportional to 187,755.38, 259,102.98 and 101,715.23

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Solution

The fourth proportional to 187,755.38, 259,102.98 and 101,715.23 is: 140,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.38 : 259,102.98 = 101,715.23 : x
  2. Step 2: Convert to fraction form
    187,755.38/259,102.98 = 101,715.23/x
  3. Step 3: Cross multiply
    187,755.38x = 259,102.98 × 101,715.23
  4. Step 4: Simplify right side
    187,755.38x = 26,354,719,204.39
  5. Step 5: Solve for x
    x = 26,354,719,204.39/187,755.38
  6. Step 6: Final answer
    x = 140,367.32

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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.