Home / 233,110.40-321,691.89-131,135.94

Finding the Fourth Proportional to 233,110.40, 321,691.89 and 131,135.94

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Solution

The fourth proportional to 233,110.40, 321,691.89 and 131,135.94 is: 180,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,110.40 : 321,691.89 = 131,135.94 : x
  2. Step 2: Convert to fraction form
    233,110.40/321,691.89 = 131,135.94/x
  3. Step 3: Cross multiply
    233,110.40x = 321,691.89 × 131,135.94
  4. Step 4: Simplify right side
    233,110.40x = 42,185,368,385.53
  5. Step 5: Solve for x
    x = 42,185,368,385.53/233,110.40
  6. Step 6: Final answer
    x = 180,967.34

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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.