Home / 122,517.20-183,430.20-119,061.20

Finding the Fourth Proportional to 122,517.20, 183,430.20 and 119,061.20

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Solution

The fourth proportional to 122,517.20, 183,430.20 and 119,061.20 is: 178,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517.20 : 183,430.20 = 119,061.20 : x
  2. Step 2: Convert to fraction form
    122,517.20/183,430.20 = 119,061.20/x
  3. Step 3: Cross multiply
    122,517.20x = 183,430.20 × 119,061.20
  4. Step 4: Simplify right side
    122,517.20x = 21,839,419,728.24
  5. Step 5: Solve for x
    x = 21,839,419,728.24/122,517.20
  6. Step 6: Final answer
    x = 178,255.95

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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.