Home / 208,734.53-288,053.76-113,241.20

Finding the Fourth Proportional to 208,734.53, 288,053.76 and 113,241.20

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Solution

The fourth proportional to 208,734.53, 288,053.76 and 113,241.20 is: 156,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,734.53 : 288,053.76 = 113,241.20 : x
  2. Step 2: Convert to fraction form
    208,734.53/288,053.76 = 113,241.20/x
  3. Step 3: Cross multiply
    208,734.53x = 288,053.76 × 113,241.20
  4. Step 4: Simplify right side
    208,734.53x = 32,619,554,347.08
  5. Step 5: Solve for x
    x = 32,619,554,347.08/208,734.53
  6. Step 6: Final answer
    x = 156,272.92

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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.