Home / 215,042.53-296,766.30-118,253.79

Finding the Fourth Proportional to 215,042.53, 296,766.30 and 118,253.79

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Solution

The fourth proportional to 215,042.53, 296,766.30 and 118,253.79 is: 163,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,042.53 : 296,766.30 = 118,253.79 : x
  2. Step 2: Convert to fraction form
    215,042.53/296,766.30 = 118,253.79/x
  3. Step 3: Cross multiply
    215,042.53x = 296,766.30 × 118,253.79
  4. Step 4: Simplify right side
    215,042.53x = 35,093,739,719.28
  5. Step 5: Solve for x
    x = 35,093,739,719.28/215,042.53
  6. Step 6: Final answer
    x = 163,194.41

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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.