Home / 230,064.20-345,114.75-80,301.17

Finding the Fourth Proportional to 230,064.20, 345,114.75 and 80,301.17

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Solution

The fourth proportional to 230,064.20, 345,114.75 and 80,301.17 is: 120,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,064.20 : 345,114.75 = 80,301.17 : x
  2. Step 2: Convert to fraction form
    230,064.20/345,114.75 = 80,301.17/x
  3. Step 3: Cross multiply
    230,064.20x = 345,114.75 × 80,301.17
  4. Step 4: Simplify right side
    230,064.20x = 27,713,119,147.33
  5. Step 5: Solve for x
    x = 27,713,119,147.33/230,064.20
  6. Step 6: Final answer
    x = 120,458.20

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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.