Home / 198,825.84-298,228.80-74,157.12

Finding the Fourth Proportional to 198,825.84, 298,228.80 and 74,157.12

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Solution

The fourth proportional to 198,825.84, 298,228.80 and 74,157.12 is: 111,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,825.84 : 298,228.80 = 74,157.12 : x
  2. Step 2: Convert to fraction form
    198,825.84/298,228.80 = 74,157.12/x
  3. Step 3: Cross multiply
    198,825.84x = 298,228.80 × 74,157.12
  4. Step 4: Simplify right side
    198,825.84x = 22,115,788,909.06
  5. Step 5: Solve for x
    x = 22,115,788,909.06/198,825.84
  6. Step 6: Final answer
    x = 111,231.97

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1.5x scale

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.