Home / 84,619.46-126,903.62-25,439.42

Finding the Fourth Proportional to 84,619.46, 126,903.62 and 25,439.42

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Solution

The fourth proportional to 84,619.46, 126,903.62 and 25,439.42 is: 38,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.46 : 126,903.62 = 25,439.42 : x
  2. Step 2: Convert to fraction form
    84,619.46/126,903.62 = 25,439.42/x
  3. Step 3: Cross multiply
    84,619.46x = 126,903.62 × 25,439.42
  4. Step 4: Simplify right side
    84,619.46x = 3,228,354,488.70
  5. Step 5: Solve for x
    x = 3,228,354,488.70/84,619.46
  6. Step 6: Final answer
    x = 38,151.44

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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.