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Finding the Fourth Proportional to 173,292.72, 239,144.04 and 93,804.72

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Solution

The fourth proportional to 173,292.72, 239,144.04 and 93,804.72 is: 129,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,292.72 : 239,144.04 = 93,804.72 : x
  2. Step 2: Convert to fraction form
    173,292.72/239,144.04 = 93,804.72/x
  3. Step 3: Cross multiply
    173,292.72x = 239,144.04 × 93,804.72
  4. Step 4: Simplify right side
    173,292.72x = 22,432,839,711.87
  5. Step 5: Solve for x
    x = 22,432,839,711.87/173,292.72
  6. Step 6: Final answer
    x = 129,450.56

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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.