Home / 131,649.66-197,295.60-55,685.10

Finding the Fourth Proportional to 131,649.66, 197,295.60 and 55,685.10

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Solution

The fourth proportional to 131,649.66, 197,295.60 and 55,685.10 is: 83,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,649.66 : 197,295.60 = 55,685.10 : x
  2. Step 2: Convert to fraction form
    131,649.66/197,295.60 = 55,685.10/x
  3. Step 3: Cross multiply
    131,649.66x = 197,295.60 × 55,685.10
  4. Step 4: Simplify right side
    131,649.66x = 10,986,425,215.56
  5. Step 5: Solve for x
    x = 10,986,425,215.56/131,649.66
  6. Step 6: Final answer
    x = 83,451.98

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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.