Home / 133,814.20-200,721.65-45,130.00

Finding the Fourth Proportional to 133,814.20, 200,721.65 and 45,130.00

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Solution

The fourth proportional to 133,814.20, 200,721.65 and 45,130.00 is: 67,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,814.20 : 200,721.65 = 45,130.00 : x
  2. Step 2: Convert to fraction form
    133,814.20/200,721.65 = 45,130.00/x
  3. Step 3: Cross multiply
    133,814.20x = 200,721.65 × 45,130.00
  4. Step 4: Simplify right side
    133,814.20x = 9,058,567,337.05
  5. Step 5: Solve for x
    x = 9,058,567,337.05/133,814.20
  6. Step 6: Final answer
    x = 67,695.11

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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.