Home / 104,881.28-144,679.30-62,431.61

Finding the Fourth Proportional to 104,881.28, 144,679.30 and 62,431.61

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Solution

The fourth proportional to 104,881.28, 144,679.30 and 62,431.61 is: 86,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.28 : 144,679.30 = 62,431.61 : x
  2. Step 2: Convert to fraction form
    104,881.28/144,679.30 = 62,431.61/x
  3. Step 3: Cross multiply
    104,881.28x = 144,679.30 × 62,431.61
  4. Step 4: Simplify right side
    104,881.28x = 9,032,560,753.20
  5. Step 5: Solve for x
    x = 9,032,560,753.20/104,881.28
  6. Step 6: Final answer
    x = 86,121.77

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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.