Home / 134,218.92-185,207.06-80,506.12

Finding the Fourth Proportional to 134,218.92, 185,207.06 and 80,506.12

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Solution

The fourth proportional to 134,218.92, 185,207.06 and 80,506.12 is: 111,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,218.92 : 185,207.06 = 80,506.12 : x
  2. Step 2: Convert to fraction form
    134,218.92/185,207.06 = 80,506.12/x
  3. Step 3: Cross multiply
    134,218.92x = 185,207.06 × 80,506.12
  4. Step 4: Simplify right side
    134,218.92x = 14,910,301,797.21
  5. Step 5: Solve for x
    x = 14,910,301,797.21/134,218.92
  6. Step 6: Final answer
    x = 111,089.42

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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.