Home / 112,757.47-155,566.68-64,324.60

Finding the Fourth Proportional to 112,757.47, 155,566.68 and 64,324.60

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Solution

The fourth proportional to 112,757.47, 155,566.68 and 64,324.60 is: 88,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,757.47 : 155,566.68 = 64,324.60 : x
  2. Step 2: Convert to fraction form
    112,757.47/155,566.68 = 64,324.60/x
  3. Step 3: Cross multiply
    112,757.47x = 155,566.68 × 64,324.60
  4. Step 4: Simplify right side
    112,757.47x = 10,006,764,464.33
  5. Step 5: Solve for x
    x = 10,006,764,464.33/112,757.47
  6. Step 6: Final answer
    x = 88,745.91

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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.