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Finding the Fourth Proportional to 89,304, 133,975.59 and 26,129.47

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Solution

The fourth proportional to 89,304, 133,975.59 and 26,129.47 is: 39,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,304 : 133,975.59 = 26,129.47 : x
  2. Step 2: Convert to fraction form
    89,304/133,975.59 = 26,129.47/x
  3. Step 3: Cross multiply
    89,304x = 133,975.59 × 26,129.47
  4. Step 4: Simplify right side
    89,304x = 3,500,710,824.70
  5. Step 5: Solve for x
    x = 3,500,710,824.70/89,304
  6. Step 6: Final answer
    x = 39,199.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.