Home / 206,738.47-285,330.32-126,212.95

Finding the Fourth Proportional to 206,738.47, 285,330.32 and 126,212.95

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Solution

The fourth proportional to 206,738.47, 285,330.32 and 126,212.95 is: 174,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,738.47 : 285,330.32 = 126,212.95 : x
  2. Step 2: Convert to fraction form
    206,738.47/285,330.32 = 126,212.95/x
  3. Step 3: Cross multiply
    206,738.47x = 285,330.32 × 126,212.95
  4. Step 4: Simplify right side
    206,738.47x = 36,012,381,411.64
  5. Step 5: Solve for x
    x = 36,012,381,411.64/206,738.47
  6. Step 6: Final answer
    x = 174,192.94

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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.