Home / 239,867.02-331,021.64-132,443.84

Finding the Fourth Proportional to 239,867.02, 331,021.64 and 132,443.84

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Solution

The fourth proportional to 239,867.02, 331,021.64 and 132,443.84 is: 182,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,867.02 : 331,021.64 = 132,443.84 : x
  2. Step 2: Convert to fraction form
    239,867.02/331,021.64 = 132,443.84/x
  3. Step 3: Cross multiply
    239,867.02x = 331,021.64 × 132,443.84
  4. Step 4: Simplify right side
    239,867.02x = 43,841,777,124.70
  5. Step 5: Solve for x
    x = 43,841,777,124.70/239,867.02
  6. Step 6: Final answer
    x = 182,775.34

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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.