Home / 208,734.31-288,054.21-113,241.70

Finding the Fourth Proportional to 208,734.31, 288,054.21 and 113,241.70

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Solution

The fourth proportional to 208,734.31, 288,054.21 and 113,241.70 is: 156,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,734.31 : 288,054.21 = 113,241.70 : x
  2. Step 2: Convert to fraction form
    208,734.31/288,054.21 = 113,241.70/x
  3. Step 3: Cross multiply
    208,734.31x = 288,054.21 × 113,241.70
  4. Step 4: Simplify right side
    208,734.31x = 32,619,748,432.56
  5. Step 5: Solve for x
    x = 32,619,748,432.56/208,734.31
  6. Step 6: Final answer
    x = 156,274.01

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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.