Home / 209,074.10-288,546.99-124,191.50

Finding the Fourth Proportional to 209,074.10, 288,546.99 and 124,191.50

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Solution

The fourth proportional to 209,074.10, 288,546.99 and 124,191.50 is: 171,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,074.10 : 288,546.99 = 124,191.50 : x
  2. Step 2: Convert to fraction form
    209,074.10/288,546.99 = 124,191.50/x
  3. Step 3: Cross multiply
    209,074.10x = 288,546.99 × 124,191.50
  4. Step 4: Simplify right side
    209,074.10x = 35,835,083,508.59
  5. Step 5: Solve for x
    x = 35,835,083,508.59/209,074.10
  6. Step 6: Final answer
    x = 171,398.96

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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.