Home / 195,701.12-270,179.52-128,827.52

Finding the Fourth Proportional to 195,701.12, 270,179.52 and 128,827.52

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Solution

The fourth proportional to 195,701.12, 270,179.52 and 128,827.52 is: 177,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,701.12 : 270,179.52 = 128,827.52 : x
  2. Step 2: Convert to fraction form
    195,701.12/270,179.52 = 128,827.52/x
  3. Step 3: Cross multiply
    195,701.12x = 270,179.52 × 128,827.52
  4. Step 4: Simplify right side
    195,701.12x = 34,806,557,516.39
  5. Step 5: Solve for x
    x = 34,806,557,516.39/195,701.12
  6. Step 6: Final answer
    x = 177,855.69

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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.