Home / 75,156.38-112,736.40-25,238.12

Finding the Fourth Proportional to 75,156.38, 112,736.40 and 25,238.12

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Solution

The fourth proportional to 75,156.38, 112,736.40 and 25,238.12 is: 37,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156.38 : 112,736.40 = 25,238.12 : x
  2. Step 2: Convert to fraction form
    75,156.38/112,736.40 = 25,238.12/x
  3. Step 3: Cross multiply
    75,156.38x = 112,736.40 × 25,238.12
  4. Step 4: Simplify right side
    75,156.38x = 2,845,254,791.57
  5. Step 5: Solve for x
    x = 2,845,254,791.57/75,156.38
  6. Step 6: Final answer
    x = 37,857.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.