Home / 112,644.13-155,449.40-60,961.24

Finding the Fourth Proportional to 112,644.13, 155,449.40 and 60,961.24

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Solution

The fourth proportional to 112,644.13, 155,449.40 and 60,961.24 is: 84,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644.13 : 155,449.40 = 60,961.24 : x
  2. Step 2: Convert to fraction form
    112,644.13/155,449.40 = 60,961.24/x
  3. Step 3: Cross multiply
    112,644.13x = 155,449.40 × 60,961.24
  4. Step 4: Simplify right side
    112,644.13x = 9,476,387,099.20
  5. Step 5: Solve for x
    x = 9,476,387,099.20/112,644.13
  6. Step 6: Final answer
    x = 84,126.77

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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.