Home / 107,728.32-161,562.24-41,122.56

Finding the Fourth Proportional to 107,728.32, 161,562.24 and 41,122.56

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Solution

The fourth proportional to 107,728.32, 161,562.24 and 41,122.56 is: 61,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728.32 : 161,562.24 = 41,122.56 : x
  2. Step 2: Convert to fraction form
    107,728.32/161,562.24 = 41,122.56/x
  3. Step 3: Cross multiply
    107,728.32x = 161,562.24 × 41,122.56
  4. Step 4: Simplify right side
    107,728.32x = 6,643,852,908.13
  5. Step 5: Solve for x
    x = 6,643,852,908.13/107,728.32
  6. Step 6: Final answer
    x = 61,672.30

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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.