Home / 137,452.02-189,680.58-80,867.04

Finding the Fourth Proportional to 137,452.02, 189,680.58 and 80,867.04

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Solution

The fourth proportional to 137,452.02, 189,680.58 and 80,867.04 is: 111,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,452.02 : 189,680.58 = 80,867.04 : x
  2. Step 2: Convert to fraction form
    137,452.02/189,680.58 = 80,867.04/x
  3. Step 3: Cross multiply
    137,452.02x = 189,680.58 × 80,867.04
  4. Step 4: Simplify right side
    137,452.02x = 15,338,907,050.08
  5. Step 5: Solve for x
    x = 15,338,907,050.08/137,452.02
  6. Step 6: Final answer
    x = 111,594.63

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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.