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Finding the Fourth Proportional to 173,392, 239,280.96 and 93,904

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Solution

The fourth proportional to 173,392, 239,280.96 and 93,904 is: 129,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,392 : 239,280.96 = 93,904 : x
  2. Step 2: Convert to fraction form
    173,392/239,280.96 = 93,904/x
  3. Step 3: Cross multiply
    173,392x = 239,280.96 × 93,904
  4. Step 4: Simplify right side
    173,392x = 22,469,439,267.84
  5. Step 5: Solve for x
    x = 22,469,439,267.84/173,392
  6. Step 6: Final answer
    x = 129,587.52

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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.