Home / 221,844.04-306,137.94-126,364.36

Finding the Fourth Proportional to 221,844.04, 306,137.94 and 126,364.36

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Solution

The fourth proportional to 221,844.04, 306,137.94 and 126,364.36 is: 174,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.04 : 306,137.94 = 126,364.36 : x
  2. Step 2: Convert to fraction form
    221,844.04/306,137.94 = 126,364.36/x
  3. Step 3: Cross multiply
    221,844.04x = 306,137.94 × 126,364.36
  4. Step 4: Simplify right side
    221,844.04x = 38,684,924,859.82
  5. Step 5: Solve for x
    x = 38,684,924,859.82/221,844.04
  6. Step 6: Final answer
    x = 174,378.92

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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.