Home / 133,392.43-200,088.98-54,506.65

Finding the Fourth Proportional to 133,392.43, 200,088.98 and 54,506.65

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Solution

The fourth proportional to 133,392.43, 200,088.98 and 54,506.65 is: 81,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.43 : 200,088.98 = 54,506.65 : x
  2. Step 2: Convert to fraction form
    133,392.43/200,088.98 = 54,506.65/x
  3. Step 3: Cross multiply
    133,392.43x = 200,088.98 × 54,506.65
  4. Step 4: Simplify right side
    133,392.43x = 10,906,180,001.72
  5. Step 5: Solve for x
    x = 10,906,180,001.72/133,392.43
  6. Step 6: Final answer
    x = 81,760.11

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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.