Home / 101,083.28-139,449.78-58,617.18

Finding the Fourth Proportional to 101,083.28, 139,449.78 and 58,617.18

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Solution

The fourth proportional to 101,083.28, 139,449.78 and 58,617.18 is: 80,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,083.28 : 139,449.78 = 58,617.18 : x
  2. Step 2: Convert to fraction form
    101,083.28/139,449.78 = 58,617.18/x
  3. Step 3: Cross multiply
    101,083.28x = 139,449.78 × 58,617.18
  4. Step 4: Simplify right side
    101,083.28x = 8,174,152,855.22
  5. Step 5: Solve for x
    x = 8,174,152,855.22/101,083.28
  6. Step 6: Final answer
    x = 80,865.53

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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.