Home / 208,972.92-288,456.21-124,089.39

Finding the Fourth Proportional to 208,972.92, 288,456.21 and 124,089.39

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Solution

The fourth proportional to 208,972.92, 288,456.21 and 124,089.39 is: 171,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,972.92 : 288,456.21 = 124,089.39 : x
  2. Step 2: Convert to fraction form
    208,972.92/288,456.21 = 124,089.39/x
  3. Step 3: Cross multiply
    208,972.92x = 288,456.21 × 124,089.39
  4. Step 4: Simplify right side
    208,972.92x = 35,794,355,140.61
  5. Step 5: Solve for x
    x = 35,794,355,140.61/208,972.92
  6. Step 6: Final answer
    x = 171,287.05

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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.