Home / 209,241.15-288,749.38-113,750.25

Finding the Fourth Proportional to 209,241.15, 288,749.38 and 113,750.25

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Solution

The fourth proportional to 209,241.15, 288,749.38 and 113,750.25 is: 156,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.15 : 288,749.38 = 113,750.25 : x
  2. Step 2: Convert to fraction form
    209,241.15/288,749.38 = 113,750.25/x
  3. Step 3: Cross multiply
    209,241.15x = 288,749.38 × 113,750.25
  4. Step 4: Simplify right side
    209,241.15x = 32,845,314,162.35
  5. Step 5: Solve for x
    x = 32,845,314,162.35/209,241.15
  6. Step 6: Final answer
    x = 156,973.49

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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.