Home / 85,122.90-127,683.14-22,793.40

Finding the Fourth Proportional to 85,122.90, 127,683.14 and 22,793.40

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Solution

The fourth proportional to 85,122.90, 127,683.14 and 22,793.40 is: 34,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122.90 : 127,683.14 = 22,793.40 : x
  2. Step 2: Convert to fraction form
    85,122.90/127,683.14 = 22,793.40/x
  3. Step 3: Cross multiply
    85,122.90x = 127,683.14 × 22,793.40
  4. Step 4: Simplify right side
    85,122.90x = 2,910,332,769.31
  5. Step 5: Solve for x
    x = 2,910,332,769.31/85,122.90
  6. Step 6: Final answer
    x = 34,189.77

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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.