Home / 167,812.13-251,718.21-138,167.71

Finding the Fourth Proportional to 167,812.13, 251,718.21 and 138,167.71

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Solution

The fourth proportional to 167,812.13, 251,718.21 and 138,167.71 is: 207,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,812.13 : 251,718.21 = 138,167.71 : x
  2. Step 2: Convert to fraction form
    167,812.13/251,718.21 = 138,167.71/x
  3. Step 3: Cross multiply
    167,812.13x = 251,718.21 × 138,167.71
  4. Step 4: Simplify right side
    167,812.13x = 34,779,328,011.70
  5. Step 5: Solve for x
    x = 34,779,328,011.70/167,812.13
  6. Step 6: Final answer
    x = 207,251.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.