Home / 221,730.93-306,043.38-126,294.03

Finding the Fourth Proportional to 221,730.93, 306,043.38 and 126,294.03

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Solution

The fourth proportional to 221,730.93, 306,043.38 and 126,294.03 is: 174,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,730.93 : 306,043.38 = 126,294.03 : x
  2. Step 2: Convert to fraction form
    221,730.93/306,043.38 = 126,294.03/x
  3. Step 3: Cross multiply
    221,730.93x = 306,043.38 × 126,294.03
  4. Step 4: Simplify right side
    221,730.93x = 38,651,451,815.02
  5. Step 5: Solve for x
    x = 38,651,451,815.02/221,730.93
  6. Step 6: Final answer
    x = 174,316.92

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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.