Home / 115,834.08-159,854.40-65,532

Finding the Fourth Proportional to 115,834.08, 159,854.40 and 65,532

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Solution

The fourth proportional to 115,834.08, 159,854.40 and 65,532 is: 90,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,834.08 : 159,854.40 = 65,532 : x
  2. Step 2: Convert to fraction form
    115,834.08/159,854.40 = 65,532/x
  3. Step 3: Cross multiply
    115,834.08x = 159,854.40 × 65,532
  4. Step 4: Simplify right side
    115,834.08x = 10,475,578,540.80
  5. Step 5: Solve for x
    x = 10,475,578,540.80/115,834.08
  6. Step 6: Final answer
    x = 90,436.07

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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.