Home / 133,479.23-200,102.60-54,543.11

Finding the Fourth Proportional to 133,479.23, 200,102.60 and 54,543.11

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Solution

The fourth proportional to 133,479.23, 200,102.60 and 54,543.11 is: 81,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,479.23 : 200,102.60 = 54,543.11 : x
  2. Step 2: Convert to fraction form
    133,479.23/200,102.60 = 54,543.11/x
  3. Step 3: Cross multiply
    133,479.23x = 200,102.60 × 54,543.11
  4. Step 4: Simplify right side
    133,479.23x = 10,914,217,258.93
  5. Step 5: Solve for x
    x = 10,914,217,258.93/133,479.23
  6. Step 6: Final answer
    x = 81,767.16

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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.