Home / 149,524.90-206,348.97-85,875.46

Finding the Fourth Proportional to 149,524.90, 206,348.97 and 85,875.46

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Solution

The fourth proportional to 149,524.90, 206,348.97 and 85,875.46 is: 118,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,524.90 : 206,348.97 = 85,875.46 : x
  2. Step 2: Convert to fraction form
    149,524.90/206,348.97 = 85,875.46/x
  3. Step 3: Cross multiply
    149,524.90x = 206,348.97 × 85,875.46
  4. Step 4: Simplify right side
    149,524.90x = 17,720,312,719.28
  5. Step 5: Solve for x
    x = 17,720,312,719.28/149,524.90
  6. Step 6: Final answer
    x = 118,510.78

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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.