Home / 150,149.08-207,205.75-82,166.07

Finding the Fourth Proportional to 150,149.08, 207,205.75 and 82,166.07

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Solution

The fourth proportional to 150,149.08, 207,205.75 and 82,166.07 is: 113,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,149.08 : 207,205.75 = 82,166.07 : x
  2. Step 2: Convert to fraction form
    150,149.08/207,205.75 = 82,166.07/x
  3. Step 3: Cross multiply
    150,149.08x = 207,205.75 × 82,166.07
  4. Step 4: Simplify right side
    150,149.08x = 17,025,282,158.90
  5. Step 5: Solve for x
    x = 17,025,282,158.90/150,149.08
  6. Step 6: Final answer
    x = 113,389.19

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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.