Home / 233,112.40-321,694.65-131,137.94

Finding the Fourth Proportional to 233,112.40, 321,694.65 and 131,137.94

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Solution

The fourth proportional to 233,112.40, 321,694.65 and 131,137.94 is: 180,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,112.40 : 321,694.65 = 131,137.94 : x
  2. Step 2: Convert to fraction form
    233,112.40/321,694.65 = 131,137.94/x
  3. Step 3: Cross multiply
    233,112.40x = 321,694.65 × 131,137.94
  4. Step 4: Simplify right side
    233,112.40x = 42,186,373,710.02
  5. Step 5: Solve for x
    x = 42,186,373,710.02/233,112.40
  6. Step 6: Final answer
    x = 180,970.10

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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.