Home / 198,017.10-297,069.39-98,231.58

Finding the Fourth Proportional to 198,017.10, 297,069.39 and 98,231.58

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Solution

The fourth proportional to 198,017.10, 297,069.39 and 98,231.58 is: 147,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,017.10 : 297,069.39 = 98,231.58 : x
  2. Step 2: Convert to fraction form
    198,017.10/297,069.39 = 98,231.58/x
  3. Step 3: Cross multiply
    198,017.10x = 297,069.39 × 98,231.58
  4. Step 4: Simplify right side
    198,017.10x = 29,181,595,549.34
  5. Step 5: Solve for x
    x = 29,181,595,549.34/198,017.10
  6. Step 6: Final answer
    x = 147,369.07

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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.