Home / 75,217.84-112,839.70-25,302.76

Finding the Fourth Proportional to 75,217.84, 112,839.70 and 25,302.76

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Solution

The fourth proportional to 75,217.84, 112,839.70 and 25,302.76 is: 37,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.84 : 112,839.70 = 25,302.76 : x
  2. Step 2: Convert to fraction form
    75,217.84/112,839.70 = 25,302.76/x
  3. Step 3: Cross multiply
    75,217.84x = 112,839.70 × 25,302.76
  4. Step 4: Simplify right side
    75,217.84x = 2,855,155,847.57
  5. Step 5: Solve for x
    x = 2,855,155,847.57/75,217.84
  6. Step 6: Final answer
    x = 37,958.49

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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.