Home / 205,278.51-283,273.52-115,848.75

Finding the Fourth Proportional to 205,278.51, 283,273.52 and 115,848.75

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Solution

The fourth proportional to 205,278.51, 283,273.52 and 115,848.75 is: 159,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,278.51 : 283,273.52 = 115,848.75 : x
  2. Step 2: Convert to fraction form
    205,278.51/283,273.52 = 115,848.75/x
  3. Step 3: Cross multiply
    205,278.51x = 283,273.52 × 115,848.75
  4. Step 4: Simplify right side
    205,278.51x = 32,816,882,620.86
  5. Step 5: Solve for x
    x = 32,816,882,620.86/205,278.51
  6. Step 6: Final answer
    x = 159,865.16

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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.