Home / 221,851.04-306,147.60-126,371.36

Finding the Fourth Proportional to 221,851.04, 306,147.60 and 126,371.36

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Solution

The fourth proportional to 221,851.04, 306,147.60 and 126,371.36 is: 174,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,851.04 : 306,147.60 = 126,371.36 : x
  2. Step 2: Convert to fraction form
    221,851.04/306,147.60 = 126,371.36/x
  3. Step 3: Cross multiply
    221,851.04x = 306,147.60 × 126,371.36
  4. Step 4: Simplify right side
    221,851.04x = 38,688,288,572.74
  5. Step 5: Solve for x
    x = 38,688,288,572.74/221,851.04
  6. Step 6: Final answer
    x = 174,388.58

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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.