Home / 75,215.82-112,794.56-40,136.34

Finding the Fourth Proportional to 75,215.82, 112,794.56 and 40,136.34

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Solution

The fourth proportional to 75,215.82, 112,794.56 and 40,136.34 is: 60,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215.82 : 112,794.56 = 40,136.34 : x
  2. Step 2: Convert to fraction form
    75,215.82/112,794.56 = 40,136.34/x
  3. Step 3: Cross multiply
    75,215.82x = 112,794.56 × 40,136.34
  4. Step 4: Simplify right side
    75,215.82x = 4,527,160,810.31
  5. Step 5: Solve for x
    x = 4,527,160,810.31/75,215.82
  6. Step 6: Final answer
    x = 60,188.94

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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.