Home / 233,335.52-321,986.31-131,355.71

Finding the Fourth Proportional to 233,335.52, 321,986.31 and 131,355.71

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Solution

The fourth proportional to 233,335.52, 321,986.31 and 131,355.71 is: 181,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,335.52 : 321,986.31 = 131,355.71 : x
  2. Step 2: Convert to fraction form
    233,335.52/321,986.31 = 131,355.71/x
  3. Step 3: Cross multiply
    233,335.52x = 321,986.31 × 131,355.71
  4. Step 4: Simplify right side
    233,335.52x = 42,294,738,750.40
  5. Step 5: Solve for x
    x = 42,294,738,750.40/233,335.52
  6. Step 6: Final answer
    x = 181,261.47

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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.