Home / 112,757.48-155,566.67-64,324.60

Finding the Fourth Proportional to 112,757.48, 155,566.67 and 64,324.60

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Solution

The fourth proportional to 112,757.48, 155,566.67 and 64,324.60 is: 88,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,757.48 : 155,566.67 = 64,324.60 : x
  2. Step 2: Convert to fraction form
    112,757.48/155,566.67 = 64,324.60/x
  3. Step 3: Cross multiply
    112,757.48x = 155,566.67 × 64,324.60
  4. Step 4: Simplify right side
    112,757.48x = 10,006,763,821.08
  5. Step 5: Solve for x
    x = 10,006,763,821.08/112,757.48
  6. Step 6: Final answer
    x = 88,745.90

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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.