Home / 100,564.32-150,853.68-30,449.10

Finding the Fourth Proportional to 100,564.32, 150,853.68 and 30,449.10

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Solution

The fourth proportional to 100,564.32, 150,853.68 and 30,449.10 is: 45,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,564.32 : 150,853.68 = 30,449.10 : x
  2. Step 2: Convert to fraction form
    100,564.32/150,853.68 = 30,449.10/x
  3. Step 3: Cross multiply
    100,564.32x = 150,853.68 × 30,449.10
  4. Step 4: Simplify right side
    100,564.32x = 4,593,358,787.69
  5. Step 5: Solve for x
    x = 4,593,358,787.69/100,564.32
  6. Step 6: Final answer
    x = 45,675.83

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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.