Home / 131,540.16-197,335.20-42,786.24

Finding the Fourth Proportional to 131,540.16, 197,335.20 and 42,786.24

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Solution

The fourth proportional to 131,540.16, 197,335.20 and 42,786.24 is: 64,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,540.16 : 197,335.20 = 42,786.24 : x
  2. Step 2: Convert to fraction form
    131,540.16/197,335.20 = 42,786.24/x
  3. Step 3: Cross multiply
    131,540.16x = 197,335.20 × 42,786.24
  4. Step 4: Simplify right side
    131,540.16x = 8,443,231,227.65
  5. Step 5: Solve for x
    x = 8,443,231,227.65/131,540.16
  6. Step 6: Final answer
    x = 64,187.48

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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.