Home / 133,218.10-200,045.85-89,040.70

Finding the Fourth Proportional to 133,218.10, 200,045.85 and 89,040.70

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Solution

The fourth proportional to 133,218.10, 200,045.85 and 89,040.70 is: 133,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,218.10 : 200,045.85 = 89,040.70 : x
  2. Step 2: Convert to fraction form
    133,218.10/200,045.85 = 89,040.70/x
  3. Step 3: Cross multiply
    133,218.10x = 200,045.85 × 89,040.70
  4. Step 4: Simplify right side
    133,218.10x = 17,812,222,516.10
  5. Step 5: Solve for x
    x = 17,812,222,516.10/133,218.10
  6. Step 6: Final answer
    x = 133,707.23

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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.