Home / 199,962.73-299,883.51-105,141.82

Finding the Fourth Proportional to 199,962.73, 299,883.51 and 105,141.82

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Solution

The fourth proportional to 199,962.73, 299,883.51 and 105,141.82 is: 157,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,962.73 : 299,883.51 = 105,141.82 : x
  2. Step 2: Convert to fraction form
    199,962.73/299,883.51 = 105,141.82/x
  3. Step 3: Cross multiply
    199,962.73x = 299,883.51 × 105,141.82
  4. Step 4: Simplify right side
    199,962.73x = 31,530,298,029.39
  5. Step 5: Solve for x
    x = 31,530,298,029.39/199,962.73
  6. Step 6: Final answer
    x = 157,680.87

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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.