Home / 198,045.98-297,171.09-131,532.14

Finding the Fourth Proportional to 198,045.98, 297,171.09 and 131,532.14

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Solution

The fourth proportional to 198,045.98, 297,171.09 and 131,532.14 is: 197,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,045.98 : 297,171.09 = 131,532.14 : x
  2. Step 2: Convert to fraction form
    198,045.98/297,171.09 = 131,532.14/x
  3. Step 3: Cross multiply
    198,045.98x = 297,171.09 × 131,532.14
  4. Step 4: Simplify right side
    198,045.98x = 39,087,549,413.83
  5. Step 5: Solve for x
    x = 39,087,549,413.83/198,045.98
  6. Step 6: Final answer
    x = 197,366.03

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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.