Home / 198,971.32-298,269.34-99,037.03

Finding the Fourth Proportional to 198,971.32, 298,269.34 and 99,037.03

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Solution

The fourth proportional to 198,971.32, 298,269.34 and 99,037.03 is: 148,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,971.32 : 298,269.34 = 99,037.03 : x
  2. Step 2: Convert to fraction form
    198,971.32/298,269.34 = 99,037.03/x
  3. Step 3: Cross multiply
    198,971.32x = 298,269.34 × 99,037.03
  4. Step 4: Simplify right side
    198,971.32x = 29,539,709,573.66
  5. Step 5: Solve for x
    x = 29,539,709,573.66/198,971.32
  6. Step 6: Final answer
    x = 148,462.15

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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.