Home / 161,904.66-242,910.77-71,934.87

Finding the Fourth Proportional to 161,904.66, 242,910.77 and 71,934.87

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Solution

The fourth proportional to 161,904.66, 242,910.77 and 71,934.87 is: 107,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.66 : 242,910.77 = 71,934.87 : x
  2. Step 2: Convert to fraction form
    161,904.66/242,910.77 = 71,934.87/x
  3. Step 3: Cross multiply
    161,904.66x = 242,910.77 × 71,934.87
  4. Step 4: Simplify right side
    161,904.66x = 17,473,754,301.88
  5. Step 5: Solve for x
    x = 17,473,754,301.88/161,904.66
  6. Step 6: Final answer
    x = 107,926.20

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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.