Home / 115,646.22-159,589.71-65,344.14

Finding the Fourth Proportional to 115,646.22, 159,589.71 and 65,344.14

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Solution

The fourth proportional to 115,646.22, 159,589.71 and 65,344.14 is: 90,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,646.22 : 159,589.71 = 65,344.14 : x
  2. Step 2: Convert to fraction form
    115,646.22/159,589.71 = 65,344.14/x
  3. Step 3: Cross multiply
    115,646.22x = 159,589.71 × 65,344.14
  4. Step 4: Simplify right side
    115,646.22x = 10,428,252,352.80
  5. Step 5: Solve for x
    x = 10,428,252,352.80/115,646.22
  6. Step 6: Final answer
    x = 90,173.74

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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.