Home / 120,034.19-165,645.02-66,322.85

Finding the Fourth Proportional to 120,034.19, 165,645.02 and 66,322.85

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Solution

The fourth proportional to 120,034.19, 165,645.02 and 66,322.85 is: 91,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,034.19 : 165,645.02 = 66,322.85 : x
  2. Step 2: Convert to fraction form
    120,034.19/165,645.02 = 66,322.85/x
  3. Step 3: Cross multiply
    120,034.19x = 165,645.02 × 66,322.85
  4. Step 4: Simplify right side
    120,034.19x = 10,986,049,152.29
  5. Step 5: Solve for x
    x = 10,986,049,152.29/120,034.19
  6. Step 6: Final answer
    x = 91,524.33

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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.