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Finding the Fourth Proportional to 161,479.74, 222,951.78 and 101,074.80

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Solution

The fourth proportional to 161,479.74, 222,951.78 and 101,074.80 is: 139,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.74 : 222,951.78 = 101,074.80 : x
  2. Step 2: Convert to fraction form
    161,479.74/222,951.78 = 101,074.80/x
  3. Step 3: Cross multiply
    161,479.74x = 222,951.78 × 101,074.80
  4. Step 4: Simplify right side
    161,479.74x = 22,534,806,573.14
  5. Step 5: Solve for x
    x = 22,534,806,573.14/161,479.74
  6. Step 6: Final answer
    x = 139,551.91

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1.5x scale

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.