Home / 252,420.72-378,577.62-94,660.80

Finding the Fourth Proportional to 252,420.72, 378,577.62 and 94,660.80

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Solution

The fourth proportional to 252,420.72, 378,577.62 and 94,660.80 is: 141,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,420.72 : 378,577.62 = 94,660.80 : x
  2. Step 2: Convert to fraction form
    252,420.72/378,577.62 = 94,660.80/x
  3. Step 3: Cross multiply
    252,420.72x = 378,577.62 × 94,660.80
  4. Step 4: Simplify right side
    252,420.72x = 35,836,460,371.30
  5. Step 5: Solve for x
    x = 35,836,460,371.30/252,420.72
  6. Step 6: Final answer
    x = 141,971.15

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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.