Home / 111,139.38-167,070.33-89,193.24

Finding the Fourth Proportional to 111,139.38, 167,070.33 and 89,193.24

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Solution

The fourth proportional to 111,139.38, 167,070.33 and 89,193.24 is: 134,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,139.38 : 167,070.33 = 89,193.24 : x
  2. Step 2: Convert to fraction form
    111,139.38/167,070.33 = 89,193.24/x
  3. Step 3: Cross multiply
    111,139.38x = 167,070.33 × 89,193.24
  4. Step 4: Simplify right side
    111,139.38x = 14,901,544,040.57
  5. Step 5: Solve for x
    x = 14,901,544,040.57/111,139.38
  6. Step 6: Final answer
    x = 134,079.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.