Home / 219,488.12-329,167.20-93,126.74

Finding the Fourth Proportional to 219,488.12, 329,167.20 and 93,126.74

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Solution

The fourth proportional to 219,488.12, 329,167.20 and 93,126.74 is: 139,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,488.12 : 329,167.20 = 93,126.74 : x
  2. Step 2: Convert to fraction form
    219,488.12/329,167.20 = 93,126.74/x
  3. Step 3: Cross multiply
    219,488.12x = 329,167.20 × 93,126.74
  4. Step 4: Simplify right side
    219,488.12x = 30,654,268,250.93
  5. Step 5: Solve for x
    x = 30,654,268,250.93/219,488.12
  6. Step 6: Final answer
    x = 139,662.54

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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.