Home / 208,849.53-288,204.63-113,354.18

Finding the Fourth Proportional to 208,849.53, 288,204.63 and 113,354.18

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Solution

The fourth proportional to 208,849.53, 288,204.63 and 113,354.18 is: 156,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.53 : 288,204.63 = 113,354.18 : x
  2. Step 2: Convert to fraction form
    208,849.53/288,204.63 = 113,354.18/x
  3. Step 3: Cross multiply
    208,849.53x = 288,204.63 × 113,354.18
  4. Step 4: Simplify right side
    208,849.53x = 32,669,198,064.83
  5. Step 5: Solve for x
    x = 32,669,198,064.83/208,849.53
  6. Step 6: Final answer
    x = 156,424.57

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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.