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Finding the Fourth Proportional to 163,185.48, 244,581.39 and 84,256.65

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Solution

The fourth proportional to 163,185.48, 244,581.39 and 84,256.65 is: 126,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,185.48 : 244,581.39 = 84,256.65 : x
  2. Step 2: Convert to fraction form
    163,185.48/244,581.39 = 84,256.65/x
  3. Step 3: Cross multiply
    163,185.48x = 244,581.39 × 84,256.65
  4. Step 4: Simplify right side
    163,185.48x = 20,607,608,573.74
  5. Step 5: Solve for x
    x = 20,607,608,573.74/163,185.48
  6. Step 6: Final answer
    x = 126,283.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.