Home / 177,380.90-265,840.30-72,076.76

Finding the Fourth Proportional to 177,380.90, 265,840.30 and 72,076.76

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Solution

The fourth proportional to 177,380.90, 265,840.30 and 72,076.76 is: 108,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,380.90 : 265,840.30 = 72,076.76 : x
  2. Step 2: Convert to fraction form
    177,380.90/265,840.30 = 72,076.76/x
  3. Step 3: Cross multiply
    177,380.90x = 265,840.30 × 72,076.76
  4. Step 4: Simplify right side
    177,380.90x = 19,160,907,501.43
  5. Step 5: Solve for x
    x = 19,160,907,501.43/177,380.90
  6. Step 6: Final answer
    x = 108,021.26

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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.