Home / 100,224.46-138,304.40-54,900.10

Finding the Fourth Proportional to 100,224.46, 138,304.40 and 54,900.10

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Solution

The fourth proportional to 100,224.46, 138,304.40 and 54,900.10 is: 75,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,224.46 : 138,304.40 = 54,900.10 : x
  2. Step 2: Convert to fraction form
    100,224.46/138,304.40 = 54,900.10/x
  3. Step 3: Cross multiply
    100,224.46x = 138,304.40 × 54,900.10
  4. Step 4: Simplify right side
    100,224.46x = 7,592,925,390.44
  5. Step 5: Solve for x
    x = 7,592,925,390.44/100,224.46
  6. Step 6: Final answer
    x = 75,759.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.