Home / 129,767.78-179,327.06-93,587.96

Finding the Fourth Proportional to 129,767.78, 179,327.06 and 93,587.96

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Solution

The fourth proportional to 129,767.78, 179,327.06 and 93,587.96 is: 129,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.78 : 179,327.06 = 93,587.96 : x
  2. Step 2: Convert to fraction form
    129,767.78/179,327.06 = 93,587.96/x
  3. Step 3: Cross multiply
    129,767.78x = 179,327.06 × 93,587.96
  4. Step 4: Simplify right side
    129,767.78x = 16,782,852,353.62
  5. Step 5: Solve for x
    x = 16,782,852,353.62/129,767.78
  6. Step 6: Final answer
    x = 129,329.89

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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.