Home / 239,253.78-330,166.02-131,822.88

Finding the Fourth Proportional to 239,253.78, 330,166.02 and 131,822.88

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Solution

The fourth proportional to 239,253.78, 330,166.02 and 131,822.88 is: 181,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,253.78 : 330,166.02 = 131,822.88 : x
  2. Step 2: Convert to fraction form
    239,253.78/330,166.02 = 131,822.88/x
  3. Step 3: Cross multiply
    239,253.78x = 330,166.02 × 131,822.88
  4. Step 4: Simplify right side
    239,253.78x = 43,523,435,634.54
  5. Step 5: Solve for x
    x = 43,523,435,634.54/239,253.78
  6. Step 6: Final answer
    x = 181,913.26

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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.