Home / 136,198.71-204,298.07-42,711.75

Finding the Fourth Proportional to 136,198.71, 204,298.07 and 42,711.75

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Solution

The fourth proportional to 136,198.71, 204,298.07 and 42,711.75 is: 64,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,198.71 : 204,298.07 = 42,711.75 : x
  2. Step 2: Convert to fraction form
    136,198.71/204,298.07 = 42,711.75/x
  3. Step 3: Cross multiply
    136,198.71x = 204,298.07 × 42,711.75
  4. Step 4: Simplify right side
    136,198.71x = 8,725,927,877.76
  5. Step 5: Solve for x
    x = 8,725,927,877.76/136,198.71
  6. Step 6: Final answer
    x = 64,067.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.