Home / 199,223.40-298,822.14-80,905.08

Finding the Fourth Proportional to 199,223.40, 298,822.14 and 80,905.08

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Solution

The fourth proportional to 199,223.40, 298,822.14 and 80,905.08 is: 121,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,223.40 : 298,822.14 = 80,905.08 : x
  2. Step 2: Convert to fraction form
    199,223.40/298,822.14 = 80,905.08/x
  3. Step 3: Cross multiply
    199,223.40x = 298,822.14 × 80,905.08
  4. Step 4: Simplify right side
    199,223.40x = 24,176,229,142.47
  5. Step 5: Solve for x
    x = 24,176,229,142.47/199,223.40
  6. Step 6: Final answer
    x = 121,352.36

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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.