Home / 104,213.28-143,817-63,949.29

Finding the Fourth Proportional to 104,213.28, 143,817 and 63,949.29

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Solution

The fourth proportional to 104,213.28, 143,817 and 63,949.29 is: 88,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.28 : 143,817 = 63,949.29 : x
  2. Step 2: Convert to fraction form
    104,213.28/143,817 = 63,949.29/x
  3. Step 3: Cross multiply
    104,213.28x = 143,817 × 63,949.29
  4. Step 4: Simplify right side
    104,213.28x = 9,196,995,039.93
  5. Step 5: Solve for x
    x = 9,196,995,039.93/104,213.28
  6. Step 6: Final answer
    x = 88,251.66

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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.