Home / 139,250.19-192,165.60-75,587.97

Finding the Fourth Proportional to 139,250.19, 192,165.60 and 75,587.97

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Solution

The fourth proportional to 139,250.19, 192,165.60 and 75,587.97 is: 104,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.19 : 192,165.60 = 75,587.97 : x
  2. Step 2: Convert to fraction form
    139,250.19/192,165.60 = 75,587.97/x
  3. Step 3: Cross multiply
    139,250.19x = 192,165.60 × 75,587.97
  4. Step 4: Simplify right side
    139,250.19x = 14,525,407,229.89
  5. Step 5: Solve for x
    x = 14,525,407,229.89/139,250.19
  6. Step 6: Final answer
    x = 104,311.58

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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.