Home / 127,749.16-176,286.18-71,150.44

Finding the Fourth Proportional to 127,749.16, 176,286.18 and 71,150.44

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Solution

The fourth proportional to 127,749.16, 176,286.18 and 71,150.44 is: 98,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,749.16 : 176,286.18 = 71,150.44 : x
  2. Step 2: Convert to fraction form
    127,749.16/176,286.18 = 71,150.44/x
  3. Step 3: Cross multiply
    127,749.16x = 176,286.18 × 71,150.44
  4. Step 4: Simplify right side
    127,749.16x = 12,542,839,272.92
  5. Step 5: Solve for x
    x = 12,542,839,272.92/127,749.16
  6. Step 6: Final answer
    x = 98,183.34

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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.