Home / 169,750.89-234,168.39-115,305.87

Finding the Fourth Proportional to 169,750.89, 234,168.39 and 115,305.87

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Solution

The fourth proportional to 169,750.89, 234,168.39 and 115,305.87 is: 159,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,750.89 : 234,168.39 = 115,305.87 : x
  2. Step 2: Convert to fraction form
    169,750.89/234,168.39 = 115,305.87/x
  3. Step 3: Cross multiply
    169,750.89x = 234,168.39 × 115,305.87
  4. Step 4: Simplify right side
    169,750.89x = 27,000,989,491.38
  5. Step 5: Solve for x
    x = 27,000,989,491.38/169,750.89
  6. Step 6: Final answer
    x = 159,062.43

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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.