Home / 198,181.80-297,272.55-113,888.20

Finding the Fourth Proportional to 198,181.80, 297,272.55 and 113,888.20

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Solution

The fourth proportional to 198,181.80, 297,272.55 and 113,888.20 is: 170,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,181.80 : 297,272.55 = 113,888.20 : x
  2. Step 2: Convert to fraction form
    198,181.80/297,272.55 = 113,888.20/x
  3. Step 3: Cross multiply
    198,181.80x = 297,272.55 × 113,888.20
  4. Step 4: Simplify right side
    198,181.80x = 33,855,835,628.91
  5. Step 5: Solve for x
    x = 33,855,835,628.91/198,181.80
  6. Step 6: Final answer
    x = 170,832.21

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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.