Home / 107,419.92-161,147.16-45,108.24

Finding the Fourth Proportional to 107,419.92, 161,147.16 and 45,108.24

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Solution

The fourth proportional to 107,419.92, 161,147.16 and 45,108.24 is: 67,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,419.92 : 161,147.16 = 45,108.24 : x
  2. Step 2: Convert to fraction form
    107,419.92/161,147.16 = 45,108.24/x
  3. Step 3: Cross multiply
    107,419.92x = 161,147.16 × 45,108.24
  4. Step 4: Simplify right side
    107,419.92x = 7,269,064,768.60
  5. Step 5: Solve for x
    x = 7,269,064,768.60/107,419.92
  6. Step 6: Final answer
    x = 67,669.62

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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.