Home / 97,766.10-146,649.15-31,211.10

Finding the Fourth Proportional to 97,766.10, 146,649.15 and 31,211.10

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Solution

The fourth proportional to 97,766.10, 146,649.15 and 31,211.10 is: 46,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,766.10 : 146,649.15 = 31,211.10 : x
  2. Step 2: Convert to fraction form
    97,766.10/146,649.15 = 31,211.10/x
  3. Step 3: Cross multiply
    97,766.10x = 146,649.15 × 31,211.10
  4. Step 4: Simplify right side
    97,766.10x = 4,577,081,285.57
  5. Step 5: Solve for x
    x = 4,577,081,285.57/97,766.10
  6. Step 6: Final answer
    x = 46,816.65

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Similar ratio
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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.