Home / 208,981.01-288,377.82-122,943.42

Finding the Fourth Proportional to 208,981.01, 288,377.82 and 122,943.42

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Solution

The fourth proportional to 208,981.01, 288,377.82 and 122,943.42 is: 169,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,981.01 : 288,377.82 = 122,943.42 : x
  2. Step 2: Convert to fraction form
    208,981.01/288,377.82 = 122,943.42/x
  3. Step 3: Cross multiply
    208,981.01x = 288,377.82 × 122,943.42
  4. Step 4: Simplify right side
    208,981.01x = 35,454,155,442.94
  5. Step 5: Solve for x
    x = 35,454,155,442.94/208,981.01
  6. Step 6: Final answer
    x = 169,652.52

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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.