Home / 150,149.42-207,206.18-82,166.40

Finding the Fourth Proportional to 150,149.42, 207,206.18 and 82,166.40

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Solution

The fourth proportional to 150,149.42, 207,206.18 and 82,166.40 is: 113,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,149.42 : 207,206.18 = 82,166.40 : x
  2. Step 2: Convert to fraction form
    150,149.42/207,206.18 = 82,166.40/x
  3. Step 3: Cross multiply
    150,149.42x = 207,206.18 × 82,166.40
  4. Step 4: Simplify right side
    150,149.42x = 17,025,385,868.35
  5. Step 5: Solve for x
    x = 17,025,385,868.35/150,149.42
  6. Step 6: Final answer
    x = 113,389.62

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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.