Home / 240,109.05-360,181.80-71,616.20

Finding the Fourth Proportional to 240,109.05, 360,181.80 and 71,616.20

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Solution

The fourth proportional to 240,109.05, 360,181.80 and 71,616.20 is: 107,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,109.05 : 360,181.80 = 71,616.20 : x
  2. Step 2: Convert to fraction form
    240,109.05/360,181.80 = 71,616.20/x
  3. Step 3: Cross multiply
    240,109.05x = 360,181.80 × 71,616.20
  4. Step 4: Simplify right side
    240,109.05x = 25,794,850,024.25
  5. Step 5: Solve for x
    x = 25,794,850,024.25/240,109.05
  6. Step 6: Final answer
    x = 107,429.73

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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.