Home / 255,979.07-353,251.26-142,801.82

Finding the Fourth Proportional to 255,979.07, 353,251.26 and 142,801.82

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Solution

The fourth proportional to 255,979.07, 353,251.26 and 142,801.82 is: 197,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,979.07 : 353,251.26 = 142,801.82 : x
  2. Step 2: Convert to fraction form
    255,979.07/353,251.26 = 142,801.82/x
  3. Step 3: Cross multiply
    255,979.07x = 353,251.26 × 142,801.82
  4. Step 4: Simplify right side
    255,979.07x = 50,444,921,079.04
  5. Step 5: Solve for x
    x = 50,444,921,079.04/255,979.07
  6. Step 6: Final answer
    x = 197,066.59

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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.