Home / 149,524.40-206,348.28-85,874.96

Finding the Fourth Proportional to 149,524.40, 206,348.28 and 85,874.96

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Solution

The fourth proportional to 149,524.40, 206,348.28 and 85,874.96 is: 118,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,524.40 : 206,348.28 = 85,874.96 : x
  2. Step 2: Convert to fraction form
    149,524.40/206,348.28 = 85,874.96/x
  3. Step 3: Cross multiply
    149,524.40x = 206,348.28 × 85,874.96
  4. Step 4: Simplify right side
    149,524.40x = 17,720,150,291.07
  5. Step 5: Solve for x
    x = 17,720,150,291.07/149,524.40
  6. Step 6: Final answer
    x = 118,510.09

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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.