Home / 103,395.28-142,675.41-58,062.97

Finding the Fourth Proportional to 103,395.28, 142,675.41 and 58,062.97

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Solution

The fourth proportional to 103,395.28, 142,675.41 and 58,062.97 is: 80,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,395.28 : 142,675.41 = 58,062.97 : x
  2. Step 2: Convert to fraction form
    103,395.28/142,675.41 = 58,062.97/x
  3. Step 3: Cross multiply
    103,395.28x = 142,675.41 × 58,062.97
  4. Step 4: Simplify right side
    103,395.28x = 8,284,158,050.57
  5. Step 5: Solve for x
    x = 8,284,158,050.57/103,395.28
  6. Step 6: Final answer
    x = 80,121.24

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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.