Home / 151,367.52-208,886.16-83,382.95

Finding the Fourth Proportional to 151,367.52, 208,886.16 and 83,382.95

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Solution

The fourth proportional to 151,367.52, 208,886.16 and 83,382.95 is: 115,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,367.52 : 208,886.16 = 83,382.95 : x
  2. Step 2: Convert to fraction form
    151,367.52/208,886.16 = 83,382.95/x
  3. Step 3: Cross multiply
    151,367.52x = 208,886.16 × 83,382.95
  4. Step 4: Simplify right side
    151,367.52x = 17,417,544,600.84
  5. Step 5: Solve for x
    x = 17,417,544,600.84/151,367.52
  6. Step 6: Final answer
    x = 115,067.91

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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.