Home / 104,124.97-143,691.78-56,378.17

Finding the Fourth Proportional to 104,124.97, 143,691.78 and 56,378.17

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Solution

The fourth proportional to 104,124.97, 143,691.78 and 56,378.17 is: 77,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124.97 : 143,691.78 = 56,378.17 : x
  2. Step 2: Convert to fraction form
    104,124.97/143,691.78 = 56,378.17/x
  3. Step 3: Cross multiply
    104,124.97x = 143,691.78 × 56,378.17
  4. Step 4: Simplify right side
    104,124.97x = 8,101,079,600.44
  5. Step 5: Solve for x
    x = 8,101,079,600.44/104,124.97
  6. Step 6: Final answer
    x = 77,801.51

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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.