Home / 252,491.32-378,654.90-83,966.32

Finding the Fourth Proportional to 252,491.32, 378,654.90 and 83,966.32

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Solution

The fourth proportional to 252,491.32, 378,654.90 and 83,966.32 is: 125,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,491.32 : 378,654.90 = 83,966.32 : x
  2. Step 2: Convert to fraction form
    252,491.32/378,654.90 = 83,966.32/x
  3. Step 3: Cross multiply
    252,491.32x = 378,654.90 × 83,966.32
  4. Step 4: Simplify right side
    252,491.32x = 31,794,258,502.97
  5. Step 5: Solve for x
    x = 31,794,258,502.97/252,491.32
  6. Step 6: Final answer
    x = 125,922.18

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1.5x scale

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.