Home / 154,048.90-231,073.35-133,053.70

Finding the Fourth Proportional to 154,048.90, 231,073.35 and 133,053.70

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Solution

The fourth proportional to 154,048.90, 231,073.35 and 133,053.70 is: 199,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,048.90 : 231,073.35 = 133,053.70 : x
  2. Step 2: Convert to fraction form
    154,048.90/231,073.35 = 133,053.70/x
  3. Step 3: Cross multiply
    154,048.90x = 231,073.35 × 133,053.70
  4. Step 4: Simplify right side
    154,048.90x = 30,745,164,188.90
  5. Step 5: Solve for x
    x = 30,745,164,188.90/154,048.90
  6. Step 6: Final answer
    x = 199,580.55

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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.