Home / 103,943.97-143,443.03-56,197.66

Finding the Fourth Proportional to 103,943.97, 143,443.03 and 56,197.66

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Solution

The fourth proportional to 103,943.97, 143,443.03 and 56,197.66 is: 77,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.97 : 143,443.03 = 56,197.66 : x
  2. Step 2: Convert to fraction form
    103,943.97/143,443.03 = 56,197.66/x
  3. Step 3: Cross multiply
    103,943.97x = 143,443.03 × 56,197.66
  4. Step 4: Simplify right side
    103,943.97x = 8,061,162,629.31
  5. Step 5: Solve for x
    x = 8,061,162,629.31/103,943.97
  6. Step 6: Final answer
    x = 77,552.96

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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.