Home / 138,816.28-208,228.44-44,046.88

Finding the Fourth Proportional to 138,816.28, 208,228.44 and 44,046.88

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Solution

The fourth proportional to 138,816.28, 208,228.44 and 44,046.88 is: 66,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,816.28 : 208,228.44 = 44,046.88 : x
  2. Step 2: Convert to fraction form
    138,816.28/208,228.44 = 44,046.88/x
  3. Step 3: Cross multiply
    138,816.28x = 208,228.44 × 44,046.88
  4. Step 4: Simplify right side
    138,816.28x = 9,171,813,109.27
  5. Step 5: Solve for x
    x = 9,171,813,109.27/138,816.28
  6. Step 6: Final answer
    x = 66,071.60

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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.