Home / 100,022.76-150,107.98-47,432.42

Finding the Fourth Proportional to 100,022.76, 150,107.98 and 47,432.42

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Solution

The fourth proportional to 100,022.76, 150,107.98 and 47,432.42 is: 71,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,022.76 : 150,107.98 = 47,432.42 : x
  2. Step 2: Convert to fraction form
    100,022.76/150,107.98 = 47,432.42/x
  3. Step 3: Cross multiply
    100,022.76x = 150,107.98 × 47,432.42
  4. Step 4: Simplify right side
    100,022.76x = 7,119,984,752.71
  5. Step 5: Solve for x
    x = 7,119,984,752.71/100,022.76
  6. Step 6: Final answer
    x = 71,183.65

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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.