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Finding the Fourth Proportional to 172,151.46, 237,532.19 and 100,499.00

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Solution

The fourth proportional to 172,151.46, 237,532.19 and 100,499.00 is: 138,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,151.46 : 237,532.19 = 100,499.00 : x
  2. Step 2: Convert to fraction form
    172,151.46/237,532.19 = 100,499.00/x
  3. Step 3: Cross multiply
    172,151.46x = 237,532.19 × 100,499.00
  4. Step 4: Simplify right side
    172,151.46x = 23,871,745,872.65
  5. Step 5: Solve for x
    x = 23,871,745,872.65/172,151.46
  6. Step 6: Final answer
    x = 138,667.11

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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.