Home / 129,922.89-179,294.19-70,306.89

Finding the Fourth Proportional to 129,922.89, 179,294.19 and 70,306.89

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Solution

The fourth proportional to 129,922.89, 179,294.19 and 70,306.89 is: 97,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,922.89 : 179,294.19 = 70,306.89 : x
  2. Step 2: Convert to fraction form
    129,922.89/179,294.19 = 70,306.89/x
  3. Step 3: Cross multiply
    129,922.89x = 179,294.19 × 70,306.89
  4. Step 4: Simplify right side
    129,922.89x = 12,605,616,893.97
  5. Step 5: Solve for x
    x = 12,605,616,893.97/129,922.89
  6. Step 6: Final answer
    x = 97,023.83

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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.