Home / 150,353.08-207,481.81-85,825.65

Finding the Fourth Proportional to 150,353.08, 207,481.81 and 85,825.65

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Solution

The fourth proportional to 150,353.08, 207,481.81 and 85,825.65 is: 118,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,353.08 : 207,481.81 = 85,825.65 : x
  2. Step 2: Convert to fraction form
    150,353.08/207,481.81 = 85,825.65/x
  3. Step 3: Cross multiply
    150,353.08x = 207,481.81 × 85,825.65
  4. Step 4: Simplify right side
    150,353.08x = 17,807,261,206.43
  5. Step 5: Solve for x
    x = 17,807,261,206.43/150,353.08
  6. Step 6: Final answer
    x = 118,436.29

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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.