Home / 150,135.42-207,185.10-82,151.61

Finding the Fourth Proportional to 150,135.42, 207,185.10 and 82,151.61

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Solution

The fourth proportional to 150,135.42, 207,185.10 and 82,151.61 is: 113,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,135.42 : 207,185.10 = 82,151.61 : x
  2. Step 2: Convert to fraction form
    150,135.42/207,185.10 = 82,151.61/x
  3. Step 3: Cross multiply
    150,135.42x = 207,185.10 × 82,151.61
  4. Step 4: Simplify right side
    150,135.42x = 17,020,589,533.01
  5. Step 5: Solve for x
    x = 17,020,589,533.01/150,135.42
  6. Step 6: Final answer
    x = 113,368.25

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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.