Home / 239,724.32-359,625.48-89,976.38

Finding the Fourth Proportional to 239,724.32, 359,625.48 and 89,976.38

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Solution

The fourth proportional to 239,724.32, 359,625.48 and 89,976.38 is: 134,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,724.32 : 359,625.48 = 89,976.38 : x
  2. Step 2: Convert to fraction form
    239,724.32/359,625.48 = 89,976.38/x
  3. Step 3: Cross multiply
    239,724.32x = 359,625.48 × 89,976.38
  4. Step 4: Simplify right side
    239,724.32x = 32,357,798,846.16
  5. Step 5: Solve for x
    x = 32,357,798,846.16/239,724.32
  6. Step 6: Final answer
    x = 134,979.21

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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.