Home / 72,060.20-108,122.70-25,346.60

Finding the Fourth Proportional to 72,060.20, 108,122.70 and 25,346.60

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Solution

The fourth proportional to 72,060.20, 108,122.70 and 25,346.60 is: 38,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,060.20 : 108,122.70 = 25,346.60 : x
  2. Step 2: Convert to fraction form
    72,060.20/108,122.70 = 25,346.60/x
  3. Step 3: Cross multiply
    72,060.20x = 108,122.70 × 25,346.60
  4. Step 4: Simplify right side
    72,060.20x = 2,740,542,827.82
  5. Step 5: Solve for x
    x = 2,740,542,827.82/72,060.20
  6. Step 6: Final answer
    x = 38,031.30

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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.