Home / 115,162.28-172,793.70-40,336.16

Finding the Fourth Proportional to 115,162.28, 172,793.70 and 40,336.16

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Solution

The fourth proportional to 115,162.28, 172,793.70 and 40,336.16 is: 60,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.28 : 172,793.70 = 40,336.16 : x
  2. Step 2: Convert to fraction form
    115,162.28/172,793.70 = 40,336.16/x
  3. Step 3: Cross multiply
    115,162.28x = 172,793.70 × 40,336.16
  4. Step 4: Simplify right side
    115,162.28x = 6,969,834,330.19
  5. Step 5: Solve for x
    x = 6,969,834,330.19/115,162.28
  6. Step 6: Final answer
    x = 60,521.85

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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.