Home / 118,727.16-163,841.94-67,738.56

Finding the Fourth Proportional to 118,727.16, 163,841.94 and 67,738.56

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Solution

The fourth proportional to 118,727.16, 163,841.94 and 67,738.56 is: 93,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.16 : 163,841.94 = 67,738.56 : x
  2. Step 2: Convert to fraction form
    118,727.16/163,841.94 = 67,738.56/x
  3. Step 3: Cross multiply
    118,727.16x = 163,841.94 × 67,738.56
  4. Step 4: Simplify right side
    118,727.16x = 11,098,417,083.21
  5. Step 5: Solve for x
    x = 11,098,417,083.21/118,727.16
  6. Step 6: Final answer
    x = 93,478.33

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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.