Home / 198,964.94-298,259.80-99,030.66

Finding the Fourth Proportional to 198,964.94, 298,259.80 and 99,030.66

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Solution

The fourth proportional to 198,964.94, 298,259.80 and 99,030.66 is: 148,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,964.94 : 298,259.80 = 99,030.66 : x
  2. Step 2: Convert to fraction form
    198,964.94/298,259.80 = 99,030.66/x
  3. Step 3: Cross multiply
    198,964.94x = 298,259.80 × 99,030.66
  4. Step 4: Simplify right side
    198,964.94x = 29,536,864,845.47
  5. Step 5: Solve for x
    x = 29,536,864,845.47/198,964.94
  6. Step 6: Final answer
    x = 148,452.61

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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.