Home / 208,849.23-288,212.13-113,355.93

Finding the Fourth Proportional to 208,849.23, 288,212.13 and 113,355.93

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Solution

The fourth proportional to 208,849.23, 288,212.13 and 113,355.93 is: 156,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.23 : 288,212.13 = 113,355.93 : x
  2. Step 2: Convert to fraction form
    208,849.23/288,212.13 = 113,355.93/x
  3. Step 3: Cross multiply
    208,849.23x = 288,212.13 × 113,355.93
  4. Step 4: Simplify right side
    208,849.23x = 32,670,554,033.43
  5. Step 5: Solve for x
    x = 32,670,554,033.43/208,849.23
  6. Step 6: Final answer
    x = 156,431.29

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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.