Home / 70,765.32-106,147.98-18,174.85

Finding the Fourth Proportional to 70,765.32, 106,147.98 and 18,174.85

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Solution

The fourth proportional to 70,765.32, 106,147.98 and 18,174.85 is: 27,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.32 : 106,147.98 = 18,174.85 : x
  2. Step 2: Convert to fraction form
    70,765.32/106,147.98 = 18,174.85/x
  3. Step 3: Cross multiply
    70,765.32x = 106,147.98 × 18,174.85
  4. Step 4: Simplify right side
    70,765.32x = 1,929,223,614.30
  5. Step 5: Solve for x
    x = 1,929,223,614.30/70,765.32
  6. Step 6: Final answer
    x = 27,262.28

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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.