Home / 115,614.14-159,558.46-72,600.71

Finding the Fourth Proportional to 115,614.14, 159,558.46 and 72,600.71

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Solution

The fourth proportional to 115,614.14, 159,558.46 and 72,600.71 is: 100,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,614.14 : 159,558.46 = 72,600.71 : x
  2. Step 2: Convert to fraction form
    115,614.14/159,558.46 = 72,600.71/x
  3. Step 3: Cross multiply
    115,614.14x = 159,558.46 × 72,600.71
  4. Step 4: Simplify right side
    115,614.14x = 11,584,056,503.21
  5. Step 5: Solve for x
    x = 11,584,056,503.21/115,614.14
  6. Step 6: Final answer
    x = 100,195.85

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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.