Home / 100,565.32-150,855.18-30,450.10

Finding the Fourth Proportional to 100,565.32, 150,855.18 and 30,450.10

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Solution

The fourth proportional to 100,565.32, 150,855.18 and 30,450.10 is: 45,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,565.32 : 150,855.18 = 30,450.10 : x
  2. Step 2: Convert to fraction form
    100,565.32/150,855.18 = 30,450.10/x
  3. Step 3: Cross multiply
    100,565.32x = 150,855.18 × 30,450.10
  4. Step 4: Simplify right side
    100,565.32x = 4,593,555,316.52
  5. Step 5: Solve for x
    x = 4,593,555,316.52/100,565.32
  6. Step 6: Final answer
    x = 45,677.33

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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.