Home / 136,773.32-188,778.67-80,202.92

Finding the Fourth Proportional to 136,773.32, 188,778.67 and 80,202.92

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Solution

The fourth proportional to 136,773.32, 188,778.67 and 80,202.92 is: 110,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,773.32 : 188,778.67 = 80,202.92 : x
  2. Step 2: Convert to fraction form
    136,773.32/188,778.67 = 80,202.92/x
  3. Step 3: Cross multiply
    136,773.32x = 188,778.67 × 80,202.92
  4. Step 4: Simplify right side
    136,773.32x = 15,140,599,423.32
  5. Step 5: Solve for x
    x = 15,140,599,423.32/136,773.32
  6. Step 6: Final answer
    x = 110,698.49

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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.