Home / 239,747.32-359,621.16-81,976.96

Finding the Fourth Proportional to 239,747.32, 359,621.16 and 81,976.96

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Solution

The fourth proportional to 239,747.32, 359,621.16 and 81,976.96 is: 122,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,747.32 : 359,621.16 = 81,976.96 : x
  2. Step 2: Convert to fraction form
    239,747.32/359,621.16 = 81,976.96/x
  3. Step 3: Cross multiply
    239,747.32x = 359,621.16 × 81,976.96
  4. Step 4: Simplify right side
    239,747.32x = 29,480,649,448.47
  5. Step 5: Solve for x
    x = 29,480,649,448.47/239,747.32
  6. Step 6: Final answer
    x = 122,965.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.