Home / 230,766.72-318,480.64-140,101.76

Finding the Fourth Proportional to 230,766.72, 318,480.64 and 140,101.76

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Solution

The fourth proportional to 230,766.72, 318,480.64 and 140,101.76 is: 193,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,766.72 : 318,480.64 = 140,101.76 : x
  2. Step 2: Convert to fraction form
    230,766.72/318,480.64 = 140,101.76/x
  3. Step 3: Cross multiply
    230,766.72x = 318,480.64 × 140,101.76
  4. Step 4: Simplify right side
    230,766.72x = 44,619,698,189.93
  5. Step 5: Solve for x
    x = 44,619,698,189.93/230,766.72
  6. Step 6: Final answer
    x = 193,354.13

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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.