Home / 172,414.72-237,964.98-107,913.88

Finding the Fourth Proportional to 172,414.72, 237,964.98 and 107,913.88

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Solution

The fourth proportional to 172,414.72, 237,964.98 and 107,913.88 is: 148,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414.72 : 237,964.98 = 107,913.88 : x
  2. Step 2: Convert to fraction form
    172,414.72/237,964.98 = 107,913.88/x
  3. Step 3: Cross multiply
    172,414.72x = 237,964.98 × 107,913.88
  4. Step 4: Simplify right side
    172,414.72x = 25,679,724,295.92
  5. Step 5: Solve for x
    x = 25,679,724,295.92/172,414.72
  6. Step 6: Final answer
    x = 148,941.60

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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.