Home / 219,688.78-329,245.18-124,962.52

Finding the Fourth Proportional to 219,688.78, 329,245.18 and 124,962.52

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Solution

The fourth proportional to 219,688.78, 329,245.18 and 124,962.52 is: 187,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,688.78 : 329,245.18 = 124,962.52 : x
  2. Step 2: Convert to fraction form
    219,688.78/329,245.18 = 124,962.52/x
  3. Step 3: Cross multiply
    219,688.78x = 329,245.18 × 124,962.52
  4. Step 4: Simplify right side
    219,688.78x = 41,143,308,149.93
  5. Step 5: Solve for x
    x = 41,143,308,149.93/219,688.78
  6. Step 6: Final answer
    x = 187,279.97

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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.