Home / 209,241.53-288,749.90-113,750.63

Finding the Fourth Proportional to 209,241.53, 288,749.90 and 113,750.63

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Solution

The fourth proportional to 209,241.53, 288,749.90 and 113,750.63 is: 156,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.53 : 288,749.90 = 113,750.63 : x
  2. Step 2: Convert to fraction form
    209,241.53/288,749.90 = 113,750.63/x
  3. Step 3: Cross multiply
    209,241.53x = 288,749.90 × 113,750.63
  4. Step 4: Simplify right side
    209,241.53x = 32,845,481,024.93
  5. Step 5: Solve for x
    x = 32,845,481,024.93/209,241.53
  6. Step 6: Final answer
    x = 156,974.01

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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.