Home / 120,292.90-166,006.97-66,580.18

Finding the Fourth Proportional to 120,292.90, 166,006.97 and 66,580.18

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Solution

The fourth proportional to 120,292.90, 166,006.97 and 66,580.18 is: 91,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,292.90 : 166,006.97 = 66,580.18 : x
  2. Step 2: Convert to fraction form
    120,292.90/166,006.97 = 66,580.18/x
  3. Step 3: Cross multiply
    120,292.90x = 166,006.97 × 66,580.18
  4. Step 4: Simplify right side
    120,292.90x = 11,052,773,445.61
  5. Step 5: Solve for x
    x = 11,052,773,445.61/120,292.90
  6. Step 6: Final answer
    x = 91,882.18

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1.5x scale

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.