Home / 198,931.29-298,400.10-110,745.31

Finding the Fourth Proportional to 198,931.29, 298,400.10 and 110,745.31

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Solution

The fourth proportional to 198,931.29, 298,400.10 and 110,745.31 is: 166,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,931.29 : 298,400.10 = 110,745.31 : x
  2. Step 2: Convert to fraction form
    198,931.29/298,400.10 = 110,745.31/x
  3. Step 3: Cross multiply
    198,931.29x = 298,400.10 × 110,745.31
  4. Step 4: Simplify right side
    198,931.29x = 33,046,411,024.80
  5. Step 5: Solve for x
    x = 33,046,411,024.80/198,931.29
  6. Step 6: Final answer
    x = 166,119.72

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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.