Home / 149,274.78-223,712.04-73,257.10

Finding the Fourth Proportional to 149,274.78, 223,712.04 and 73,257.10

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Solution

The fourth proportional to 149,274.78, 223,712.04 and 73,257.10 is: 109,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,274.78 : 223,712.04 = 73,257.10 : x
  2. Step 2: Convert to fraction form
    149,274.78/223,712.04 = 73,257.10/x
  3. Step 3: Cross multiply
    149,274.78x = 223,712.04 × 73,257.10
  4. Step 4: Simplify right side
    149,274.78x = 16,388,495,285.48
  5. Step 5: Solve for x
    x = 16,388,495,285.48/149,274.78
  6. Step 6: Final answer
    x = 109,787.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.