Home / 119,859.24-165,405.56-66,144.24

Finding the Fourth Proportional to 119,859.24, 165,405.56 and 66,144.24

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Solution

The fourth proportional to 119,859.24, 165,405.56 and 66,144.24 is: 91,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859.24 : 165,405.56 = 66,144.24 : x
  2. Step 2: Convert to fraction form
    119,859.24/165,405.56 = 66,144.24/x
  3. Step 3: Cross multiply
    119,859.24x = 165,405.56 × 66,144.24
  4. Step 4: Simplify right side
    119,859.24x = 10,940,625,057.97
  5. Step 5: Solve for x
    x = 10,940,625,057.97/119,859.24
  6. Step 6: Final answer
    x = 91,278.95

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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.