Home / 209,755.28-289,363.10-141,796.08

Finding the Fourth Proportional to 209,755.28, 289,363.10 and 141,796.08

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Solution

The fourth proportional to 209,755.28, 289,363.10 and 141,796.08 is: 195,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,755.28 : 289,363.10 = 141,796.08 : x
  2. Step 2: Convert to fraction form
    209,755.28/289,363.10 = 141,796.08/x
  3. Step 3: Cross multiply
    209,755.28x = 289,363.10 × 141,796.08
  4. Step 4: Simplify right side
    209,755.28x = 41,030,552,567.67
  5. Step 5: Solve for x
    x = 41,030,552,567.67/209,755.28
  6. Step 6: Final answer
    x = 195,611.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.