Home / 126,992.08-190,575.60-56,949.76

Finding the Fourth Proportional to 126,992.08, 190,575.60 and 56,949.76

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Solution

The fourth proportional to 126,992.08, 190,575.60 and 56,949.76 is: 85,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992.08 : 190,575.60 = 56,949.76 : x
  2. Step 2: Convert to fraction form
    126,992.08/190,575.60 = 56,949.76/x
  3. Step 3: Cross multiply
    126,992.08x = 190,575.60 × 56,949.76
  4. Step 4: Simplify right side
    126,992.08x = 10,853,234,681.86
  5. Step 5: Solve for x
    x = 10,853,234,681.86/126,992.08
  6. Step 6: Final answer
    x = 85,463.87

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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.