Home / 133,780.20-200,670.30-54,853.80

Finding the Fourth Proportional to 133,780.20, 200,670.30 and 54,853.80

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Solution

The fourth proportional to 133,780.20, 200,670.30 and 54,853.80 is: 82,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780.20 : 200,670.30 = 54,853.80 : x
  2. Step 2: Convert to fraction form
    133,780.20/200,670.30 = 54,853.80/x
  3. Step 3: Cross multiply
    133,780.20x = 200,670.30 × 54,853.80
  4. Step 4: Simplify right side
    133,780.20x = 11,007,528,502.14
  5. Step 5: Solve for x
    x = 11,007,528,502.14/133,780.20
  6. Step 6: Final answer
    x = 82,280.70

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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.