Home / 133,945.04-200,789.76-45,152.72

Finding the Fourth Proportional to 133,945.04, 200,789.76 and 45,152.72

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Solution

The fourth proportional to 133,945.04, 200,789.76 and 45,152.72 is: 67,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.04 : 200,789.76 = 45,152.72 : x
  2. Step 2: Convert to fraction form
    133,945.04/200,789.76 = 45,152.72/x
  3. Step 3: Cross multiply
    133,945.04x = 200,789.76 × 45,152.72
  4. Step 4: Simplify right side
    133,945.04x = 9,066,203,812.15
  5. Step 5: Solve for x
    x = 9,066,203,812.15/133,945.04
  6. Step 6: Final answer
    x = 67,686.00

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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.