Home / 103,458.22-142,767.75-60,441.70

Finding the Fourth Proportional to 103,458.22, 142,767.75 and 60,441.70

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Solution

The fourth proportional to 103,458.22, 142,767.75 and 60,441.70 is: 83,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,458.22 : 142,767.75 = 60,441.70 : x
  2. Step 2: Convert to fraction form
    103,458.22/142,767.75 = 60,441.70/x
  3. Step 3: Cross multiply
    103,458.22x = 142,767.75 × 60,441.70
  4. Step 4: Simplify right side
    103,458.22x = 8,629,125,212.97
  5. Step 5: Solve for x
    x = 8,629,125,212.97/103,458.22
  6. Step 6: Final answer
    x = 83,406.86

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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.