Home / 133,391.06-200,012.72-54,560.64

Finding the Fourth Proportional to 133,391.06, 200,012.72 and 54,560.64

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Solution

The fourth proportional to 133,391.06, 200,012.72 and 54,560.64 is: 81,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.06 : 200,012.72 = 54,560.64 : x
  2. Step 2: Convert to fraction form
    133,391.06/200,012.72 = 54,560.64/x
  3. Step 3: Cross multiply
    133,391.06x = 200,012.72 × 54,560.64
  4. Step 4: Simplify right side
    133,391.06x = 10,912,822,011.34
  5. Step 5: Solve for x
    x = 10,912,822,011.34/133,391.06
  6. Step 6: Final answer
    x = 81,810.75

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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.