Home / 221,894.04-306,178.38-126,402.60

Finding the Fourth Proportional to 221,894.04, 306,178.38 and 126,402.60

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Solution

The fourth proportional to 221,894.04, 306,178.38 and 126,402.60 is: 174,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,894.04 : 306,178.38 = 126,402.60 : x
  2. Step 2: Convert to fraction form
    221,894.04/306,178.38 = 126,402.60/x
  3. Step 3: Cross multiply
    221,894.04x = 306,178.38 × 126,402.60
  4. Step 4: Simplify right side
    221,894.04x = 38,701,743,295.79
  5. Step 5: Solve for x
    x = 38,701,743,295.79/221,894.04
  6. Step 6: Final answer
    x = 174,415.43

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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.