Home / 105,691.08-158,561.02-35,568.68

Finding the Fourth Proportional to 105,691.08, 158,561.02 and 35,568.68

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Solution

The fourth proportional to 105,691.08, 158,561.02 and 35,568.68 is: 53,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,691.08 : 158,561.02 = 35,568.68 : x
  2. Step 2: Convert to fraction form
    105,691.08/158,561.02 = 35,568.68/x
  3. Step 3: Cross multiply
    105,691.08x = 158,561.02 × 35,568.68
  4. Step 4: Simplify right side
    105,691.08x = 5,639,806,180.85
  5. Step 5: Solve for x
    x = 5,639,806,180.85/105,691.08
  6. Step 6: Final answer
    x = 53,361.23

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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.