Home / 108,793.08-150,183.18-66,368.52

Finding the Fourth Proportional to 108,793.08, 150,183.18 and 66,368.52

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Solution

The fourth proportional to 108,793.08, 150,183.18 and 66,368.52 is: 91,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,793.08 : 150,183.18 = 66,368.52 : x
  2. Step 2: Convert to fraction form
    108,793.08/150,183.18 = 66,368.52/x
  3. Step 3: Cross multiply
    108,793.08x = 150,183.18 × 66,368.52
  4. Step 4: Simplify right side
    108,793.08x = 9,967,435,385.49
  5. Step 5: Solve for x
    x = 9,967,435,385.49/108,793.08
  6. Step 6: Final answer
    x = 91,618.28

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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.