Home / 75,261.25-112,891.93-19,105.57

Finding the Fourth Proportional to 75,261.25, 112,891.93 and 19,105.57

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Solution

The fourth proportional to 75,261.25, 112,891.93 and 19,105.57 is: 28,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,261.25 : 112,891.93 = 19,105.57 : x
  2. Step 2: Convert to fraction form
    75,261.25/112,891.93 = 19,105.57/x
  3. Step 3: Cross multiply
    75,261.25x = 112,891.93 × 19,105.57
  4. Step 4: Simplify right side
    75,261.25x = 2,156,864,764.40
  5. Step 5: Solve for x
    x = 2,156,864,764.40/75,261.25
  6. Step 6: Final answer
    x = 28,658.37

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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.