Home / 233,323.64-321,983.82-132,721.40

Finding the Fourth Proportional to 233,323.64, 321,983.82 and 132,721.40

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Solution

The fourth proportional to 233,323.64, 321,983.82 and 132,721.40 is: 183,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,323.64 : 321,983.82 = 132,721.40 : x
  2. Step 2: Convert to fraction form
    233,323.64/321,983.82 = 132,721.40/x
  3. Step 3: Cross multiply
    233,323.64x = 321,983.82 × 132,721.40
  4. Step 4: Simplify right side
    233,323.64x = 42,734,143,367.75
  5. Step 5: Solve for x
    x = 42,734,143,367.75/233,323.64
  6. Step 6: Final answer
    x = 183,153.94

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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.