Home / 209,235.15-288,741.11-113,744.25

Finding the Fourth Proportional to 209,235.15, 288,741.11 and 113,744.25

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Solution

The fourth proportional to 209,235.15, 288,741.11 and 113,744.25 is: 156,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,235.15 : 288,741.11 = 113,744.25 : x
  2. Step 2: Convert to fraction form
    209,235.15/288,741.11 = 113,744.25/x
  3. Step 3: Cross multiply
    209,235.15x = 288,741.11 × 113,744.25
  4. Step 4: Simplify right side
    209,235.15x = 32,842,640,432.40
  5. Step 5: Solve for x
    x = 32,842,640,432.40/209,235.15
  6. Step 6: Final answer
    x = 156,965.22

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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.