Home / 122,531.20-183,553.80-107,918.80

Finding the Fourth Proportional to 122,531.20, 183,553.80 and 107,918.80

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Solution

The fourth proportional to 122,531.20, 183,553.80 and 107,918.80 is: 161,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531.20 : 183,553.80 = 107,918.80 : x
  2. Step 2: Convert to fraction form
    122,531.20/183,553.80 = 107,918.80/x
  3. Step 3: Cross multiply
    122,531.20x = 183,553.80 × 107,918.80
  4. Step 4: Simplify right side
    122,531.20x = 19,808,905,831.44
  5. Step 5: Solve for x
    x = 19,808,905,831.44/122,531.20
  6. Step 6: Final answer
    x = 161,664.18

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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.