Home / 233,320.64-321,979.68-132,718.40

Finding the Fourth Proportional to 233,320.64, 321,979.68 and 132,718.40

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Solution

The fourth proportional to 233,320.64, 321,979.68 and 132,718.40 is: 183,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,320.64 : 321,979.68 = 132,718.40 : x
  2. Step 2: Convert to fraction form
    233,320.64/321,979.68 = 132,718.40/x
  3. Step 3: Cross multiply
    233,320.64x = 321,979.68 × 132,718.40
  4. Step 4: Simplify right side
    233,320.64x = 42,732,627,962.11
  5. Step 5: Solve for x
    x = 42,732,627,962.11/233,320.64
  6. Step 6: Final answer
    x = 183,149.80

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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.