Home / 159,489.20-239,233.80-133,439.60

Finding the Fourth Proportional to 159,489.20, 239,233.80 and 133,439.60

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Solution

The fourth proportional to 159,489.20, 239,233.80 and 133,439.60 is: 200,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489.20 : 239,233.80 = 133,439.60 : x
  2. Step 2: Convert to fraction form
    159,489.20/239,233.80 = 133,439.60/x
  3. Step 3: Cross multiply
    159,489.20x = 239,233.80 × 133,439.60
  4. Step 4: Simplify right side
    159,489.20x = 31,923,262,578.48
  5. Step 5: Solve for x
    x = 31,923,262,578.48/159,489.20
  6. Step 6: Final answer
    x = 200,159.40

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1.5x scale

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.