Home / 74,195.20-111,195.60-29,785.60

Finding the Fourth Proportional to 74,195.20, 111,195.60 and 29,785.60

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Solution

The fourth proportional to 74,195.20, 111,195.60 and 29,785.60 is: 44,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.20 : 111,195.60 = 29,785.60 : x
  2. Step 2: Convert to fraction form
    74,195.20/111,195.60 = 29,785.60/x
  3. Step 3: Cross multiply
    74,195.20x = 111,195.60 × 29,785.60
  4. Step 4: Simplify right side
    74,195.20x = 3,312,027,663.36
  5. Step 5: Solve for x
    x = 3,312,027,663.36/74,195.20
  6. Step 6: Final answer
    x = 44,639.38

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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.