Home / 120,437.28-166,224.24-69,440.76

Finding the Fourth Proportional to 120,437.28, 166,224.24 and 69,440.76

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Solution

The fourth proportional to 120,437.28, 166,224.24 and 69,440.76 is: 95,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,437.28 : 166,224.24 = 69,440.76 : x
  2. Step 2: Convert to fraction form
    120,437.28/166,224.24 = 69,440.76/x
  3. Step 3: Cross multiply
    120,437.28x = 166,224.24 × 69,440.76
  4. Step 4: Simplify right side
    120,437.28x = 11,542,737,556.02
  5. Step 5: Solve for x
    x = 11,542,737,556.02/120,437.28
  6. Step 6: Final answer
    x = 95,840.24

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Double scale
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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.