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Finding the Fourth Proportional to 172,068, 237,350.88 and 108,295.08

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Solution

The fourth proportional to 172,068, 237,350.88 and 108,295.08 is: 149,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,068 : 237,350.88 = 108,295.08 : x
  2. Step 2: Convert to fraction form
    172,068/237,350.88 = 108,295.08/x
  3. Step 3: Cross multiply
    172,068x = 237,350.88 × 108,295.08
  4. Step 4: Simplify right side
    172,068x = 25,703,932,537.67
  5. Step 5: Solve for x
    x = 25,703,932,537.67/172,068
  6. Step 6: Final answer
    x = 149,382.41

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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.