Home / 156,992.33-216,655.12-89,937.29

Finding the Fourth Proportional to 156,992.33, 216,655.12 and 89,937.29

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Solution

The fourth proportional to 156,992.33, 216,655.12 and 89,937.29 is: 124,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,992.33 : 216,655.12 = 89,937.29 : x
  2. Step 2: Convert to fraction form
    156,992.33/216,655.12 = 89,937.29/x
  3. Step 3: Cross multiply
    156,992.33x = 216,655.12 × 89,937.29
  4. Step 4: Simplify right side
    156,992.33x = 19,485,375,011.48
  5. Step 5: Solve for x
    x = 19,485,375,011.48/156,992.33
  6. Step 6: Final answer
    x = 124,116.73

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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.