Home / 221,883.44-306,124.34-126,322.47

Finding the Fourth Proportional to 221,883.44, 306,124.34 and 126,322.47

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Solution

The fourth proportional to 221,883.44, 306,124.34 and 126,322.47 is: 174,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,883.44 : 306,124.34 = 126,322.47 : x
  2. Step 2: Convert to fraction form
    221,883.44/306,124.34 = 126,322.47/x
  3. Step 3: Cross multiply
    221,883.44x = 306,124.34 × 126,322.47
  4. Step 4: Simplify right side
    221,883.44x = 38,670,382,124.31
  5. Step 5: Solve for x
    x = 38,670,382,124.31/221,883.44
  6. Step 6: Final answer
    x = 174,282.42

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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.