Home / 103,046.46-142,146-60,020.88

Finding the Fourth Proportional to 103,046.46, 142,146 and 60,020.88

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Solution

The fourth proportional to 103,046.46, 142,146 and 60,020.88 is: 82,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,046.46 : 142,146 = 60,020.88 : x
  2. Step 2: Convert to fraction form
    103,046.46/142,146 = 60,020.88/x
  3. Step 3: Cross multiply
    103,046.46x = 142,146 × 60,020.88
  4. Step 4: Simplify right side
    103,046.46x = 8,531,728,008.48
  5. Step 5: Solve for x
    x = 8,531,728,008.48/103,046.46
  6. Step 6: Final answer
    x = 82,794.96

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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.