Home / 127,398.42-175,781.24-77,096.34

Finding the Fourth Proportional to 127,398.42, 175,781.24 and 77,096.34

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Solution

The fourth proportional to 127,398.42, 175,781.24 and 77,096.34 is: 106,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,398.42 : 175,781.24 = 77,096.34 : x
  2. Step 2: Convert to fraction form
    127,398.42/175,781.24 = 77,096.34/x
  3. Step 3: Cross multiply
    127,398.42x = 175,781.24 × 77,096.34
  4. Step 4: Simplify right side
    127,398.42x = 13,552,090,244.66
  5. Step 5: Solve for x
    x = 13,552,090,244.66/127,398.42
  6. Step 6: Final answer
    x = 106,375.65

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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.