Home / 122,470.24-183,534.30-66,189.04

Finding the Fourth Proportional to 122,470.24, 183,534.30 and 66,189.04

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Solution

The fourth proportional to 122,470.24, 183,534.30 and 66,189.04 is: 99,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,470.24 : 183,534.30 = 66,189.04 : x
  2. Step 2: Convert to fraction form
    122,470.24/183,534.30 = 66,189.04/x
  3. Step 3: Cross multiply
    122,470.24x = 183,534.30 × 66,189.04
  4. Step 4: Simplify right side
    122,470.24x = 12,147,959,124.07
  5. Step 5: Solve for x
    x = 12,147,959,124.07/122,470.24
  6. Step 6: Final answer
    x = 99,191.11

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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.