Home / 135,693.10-187,267.98-75,283.18

Finding the Fourth Proportional to 135,693.10, 187,267.98 and 75,283.18

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Solution

The fourth proportional to 135,693.10, 187,267.98 and 75,283.18 is: 103,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,693.10 : 187,267.98 = 75,283.18 : x
  2. Step 2: Convert to fraction form
    135,693.10/187,267.98 = 75,283.18/x
  3. Step 3: Cross multiply
    135,693.10x = 187,267.98 × 75,283.18
  4. Step 4: Simplify right side
    135,693.10x = 14,098,129,046.58
  5. Step 5: Solve for x
    x = 14,098,129,046.58/135,693.10
  6. Step 6: Final answer
    x = 103,897.17

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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.