Home / 141,399.27-195,064.20-87,664.68

Finding the Fourth Proportional to 141,399.27, 195,064.20 and 87,664.68

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Solution

The fourth proportional to 141,399.27, 195,064.20 and 87,664.68 is: 120,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,399.27 : 195,064.20 = 87,664.68 : x
  2. Step 2: Convert to fraction form
    141,399.27/195,064.20 = 87,664.68/x
  3. Step 3: Cross multiply
    141,399.27x = 195,064.20 × 87,664.68
  4. Step 4: Simplify right side
    141,399.27x = 17,100,240,672.46
  5. Step 5: Solve for x
    x = 17,100,240,672.46/141,399.27
  6. Step 6: Final answer
    x = 120,935.85

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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.