Home / 133,685.10-200,430.45-54,758.70

Finding the Fourth Proportional to 133,685.10, 200,430.45 and 54,758.70

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Solution

The fourth proportional to 133,685.10, 200,430.45 and 54,758.70 is: 82,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.10 : 200,430.45 = 54,758.70 : x
  2. Step 2: Convert to fraction form
    133,685.10/200,430.45 = 54,758.70/x
  3. Step 3: Cross multiply
    133,685.10x = 200,430.45 × 54,758.70
  4. Step 4: Simplify right side
    133,685.10x = 10,975,310,882.42
  5. Step 5: Solve for x
    x = 10,975,310,882.42/133,685.10
  6. Step 6: Final answer
    x = 82,098.24

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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.