Home / 239,378.39-359,120.79-104,464.18

Finding the Fourth Proportional to 239,378.39, 359,120.79 and 104,464.18

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Solution

The fourth proportional to 239,378.39, 359,120.79 and 104,464.18 is: 156,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,378.39 : 359,120.79 = 104,464.18 : x
  2. Step 2: Convert to fraction form
    239,378.39/359,120.79 = 104,464.18/x
  3. Step 3: Cross multiply
    239,378.39x = 359,120.79 × 104,464.18
  4. Step 4: Simplify right side
    239,378.39x = 37,515,259,297.20
  5. Step 5: Solve for x
    x = 37,515,259,297.20/239,378.39
  6. Step 6: Final answer
    x = 156,719.49

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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.