Home / 235,941.72-353,829.19-76,011.20

Finding the Fourth Proportional to 235,941.72, 353,829.19 and 76,011.20

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Solution

The fourth proportional to 235,941.72, 353,829.19 and 76,011.20 is: 113,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,941.72 : 353,829.19 = 76,011.20 : x
  2. Step 2: Convert to fraction form
    235,941.72/353,829.19 = 76,011.20/x
  3. Step 3: Cross multiply
    235,941.72x = 353,829.19 × 76,011.20
  4. Step 4: Simplify right side
    235,941.72x = 26,894,981,326.93
  5. Step 5: Solve for x
    x = 26,894,981,326.93/235,941.72
  6. Step 6: Final answer
    x = 113,989.94

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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.