Home / 150,121.70-207,166.41-83,054.18

Finding the Fourth Proportional to 150,121.70, 207,166.41 and 83,054.18

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Solution

The fourth proportional to 150,121.70, 207,166.41 and 83,054.18 is: 114,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,121.70 : 207,166.41 = 83,054.18 : x
  2. Step 2: Convert to fraction form
    150,121.70/207,166.41 = 83,054.18/x
  3. Step 3: Cross multiply
    150,121.70x = 207,166.41 × 83,054.18
  4. Step 4: Simplify right side
    150,121.70x = 17,206,036,306.09
  5. Step 5: Solve for x
    x = 17,206,036,306.09/150,121.70
  6. Step 6: Final answer
    x = 114,613.92

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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.