Home / 239,278.70-330,219.10-131,848.60

Finding the Fourth Proportional to 239,278.70, 330,219.10 and 131,848.60

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Solution

The fourth proportional to 239,278.70, 330,219.10 and 131,848.60 is: 181,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,278.70 : 330,219.10 = 131,848.60 : x
  2. Step 2: Convert to fraction form
    239,278.70/330,219.10 = 131,848.60/x
  3. Step 3: Cross multiply
    239,278.70x = 330,219.10 × 131,848.60
  4. Step 4: Simplify right side
    239,278.70x = 43,538,926,028.26
  5. Step 5: Solve for x
    x = 43,538,926,028.26/239,278.70
  6. Step 6: Final answer
    x = 181,959.05

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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.