Home / 172,399.65-237,944.28-107,898.85

Finding the Fourth Proportional to 172,399.65, 237,944.28 and 107,898.85

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Solution

The fourth proportional to 172,399.65, 237,944.28 and 107,898.85 is: 148,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,399.65 : 237,944.28 = 107,898.85 : x
  2. Step 2: Convert to fraction form
    172,399.65/237,944.28 = 107,898.85/x
  3. Step 3: Cross multiply
    172,399.65x = 237,944.28 × 107,898.85
  4. Step 4: Simplify right side
    172,399.65x = 25,673,914,176.08
  5. Step 5: Solve for x
    x = 25,673,914,176.08/172,399.65
  6. Step 6: Final answer
    x = 148,920.92

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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.