Home / 107,040.78-160,265.93-80,665.56

Finding the Fourth Proportional to 107,040.78, 160,265.93 and 80,665.56

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Solution

The fourth proportional to 107,040.78, 160,265.93 and 80,665.56 is: 120,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,040.78 : 160,265.93 = 80,665.56 : x
  2. Step 2: Convert to fraction form
    107,040.78/160,265.93 = 80,665.56/x
  3. Step 3: Cross multiply
    107,040.78x = 160,265.93 × 80,665.56
  4. Step 4: Simplify right side
    107,040.78x = 12,927,940,589.04
  5. Step 5: Solve for x
    x = 12,927,940,589.04/107,040.78
  6. Step 6: Final answer
    x = 120,775.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.