Home / 122,131.20-183,192-43,242.24

Finding the Fourth Proportional to 122,131.20, 183,192 and 43,242.24

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Solution

The fourth proportional to 122,131.20, 183,192 and 43,242.24 is: 64,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,131.20 : 183,192 = 43,242.24 : x
  2. Step 2: Convert to fraction form
    122,131.20/183,192 = 43,242.24/x
  3. Step 3: Cross multiply
    122,131.20x = 183,192 × 43,242.24
  4. Step 4: Simplify right side
    122,131.20x = 7,921,632,430.08
  5. Step 5: Solve for x
    x = 7,921,632,430.08/122,131.20
  6. Step 6: Final answer
    x = 64,861.66

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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.