Home / 85,242.10-127,862.97-22,912.60

Finding the Fourth Proportional to 85,242.10, 127,862.97 and 22,912.60

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Solution

The fourth proportional to 85,242.10, 127,862.97 and 22,912.60 is: 34,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.10 : 127,862.97 = 22,912.60 : x
  2. Step 2: Convert to fraction form
    85,242.10/127,862.97 = 22,912.60/x
  3. Step 3: Cross multiply
    85,242.10x = 127,862.97 × 22,912.60
  4. Step 4: Simplify right side
    85,242.10x = 2,929,673,086.42
  5. Step 5: Solve for x
    x = 2,929,673,086.42/85,242.10
  6. Step 6: Final answer
    x = 34,368.85

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1.5x scale

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.