Home / 155,220.90-232,831.35-102,076.80

Finding the Fourth Proportional to 155,220.90, 232,831.35 and 102,076.80

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Solution

The fourth proportional to 155,220.90, 232,831.35 and 102,076.80 is: 153,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.90 : 232,831.35 = 102,076.80 : x
  2. Step 2: Convert to fraction form
    155,220.90/232,831.35 = 102,076.80/x
  3. Step 3: Cross multiply
    155,220.90x = 232,831.35 × 102,076.80
  4. Step 4: Simplify right side
    155,220.90x = 23,766,679,147.68
  5. Step 5: Solve for x
    x = 23,766,679,147.68/155,220.90
  6. Step 6: Final answer
    x = 153,115.20

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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.