Home / 120,064.12-165,701.31-69,079.08

Finding the Fourth Proportional to 120,064.12, 165,701.31 and 69,079.08

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Solution

The fourth proportional to 120,064.12, 165,701.31 and 69,079.08 is: 95,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,064.12 : 165,701.31 = 69,079.08 : x
  2. Step 2: Convert to fraction form
    120,064.12/165,701.31 = 69,079.08/x
  3. Step 3: Cross multiply
    120,064.12x = 165,701.31 × 69,079.08
  4. Step 4: Simplify right side
    120,064.12x = 11,446,494,049.59
  5. Step 5: Solve for x
    x = 11,446,494,049.59/120,064.12
  6. Step 6: Final answer
    x = 95,336.51

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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.