Home / 115,414.33-159,343.82-88,505.05

Finding the Fourth Proportional to 115,414.33, 159,343.82 and 88,505.05

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Solution

The fourth proportional to 115,414.33, 159,343.82 and 88,505.05 is: 122,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,414.33 : 159,343.82 = 88,505.05 : x
  2. Step 2: Convert to fraction form
    115,414.33/159,343.82 = 88,505.05/x
  3. Step 3: Cross multiply
    115,414.33x = 159,343.82 × 88,505.05
  4. Step 4: Simplify right side
    115,414.33x = 14,102,732,756.29
  5. Step 5: Solve for x
    x = 14,102,732,756.29/115,414.33
  6. Step 6: Final answer
    x = 122,192.22

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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.