Home / 94,205.82-129,874.10-75,150.22

Finding the Fourth Proportional to 94,205.82, 129,874.10 and 75,150.22

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Solution

The fourth proportional to 94,205.82, 129,874.10 and 75,150.22 is: 103,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,205.82 : 129,874.10 = 75,150.22 : x
  2. Step 2: Convert to fraction form
    94,205.82/129,874.10 = 75,150.22/x
  3. Step 3: Cross multiply
    94,205.82x = 129,874.10 × 75,150.22
  4. Step 4: Simplify right side
    94,205.82x = 9,760,067,187.30
  5. Step 5: Solve for x
    x = 9,760,067,187.30/94,205.82
  6. Step 6: Final answer
    x = 103,603.65

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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.