Home / 221,843.04-306,136.56-126,363.36

Finding the Fourth Proportional to 221,843.04, 306,136.56 and 126,363.36

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Solution

The fourth proportional to 221,843.04, 306,136.56 and 126,363.36 is: 174,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,843.04 : 306,136.56 = 126,363.36 : x
  2. Step 2: Convert to fraction form
    221,843.04/306,136.56 = 126,363.36/x
  3. Step 3: Cross multiply
    221,843.04x = 306,136.56 × 126,363.36
  4. Step 4: Simplify right side
    221,843.04x = 38,684,444,340.44
  5. Step 5: Solve for x
    x = 38,684,444,340.44/221,843.04
  6. Step 6: Final answer
    x = 174,377.54

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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.