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Finding the Fourth Proportional to 173,304, 239,160.16 and 93,816

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Solution

The fourth proportional to 173,304, 239,160.16 and 93,816 is: 129,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,304 : 239,160.16 = 93,816 : x
  2. Step 2: Convert to fraction form
    173,304/239,160.16 = 93,816/x
  3. Step 3: Cross multiply
    173,304x = 239,160.16 × 93,816
  4. Step 4: Simplify right side
    173,304x = 22,437,049,570.56
  5. Step 5: Solve for x
    x = 22,437,049,570.56/173,304
  6. Step 6: Final answer
    x = 129,466.43

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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.