Home / 149,103.10-223,578.04-43,908.40

Finding the Fourth Proportional to 149,103.10, 223,578.04 and 43,908.40

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Solution

The fourth proportional to 149,103.10, 223,578.04 and 43,908.40 is: 65,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,103.10 : 223,578.04 = 43,908.40 : x
  2. Step 2: Convert to fraction form
    149,103.10/223,578.04 = 43,908.40/x
  3. Step 3: Cross multiply
    149,103.10x = 223,578.04 × 43,908.40
  4. Step 4: Simplify right side
    149,103.10x = 9,816,954,011.54
  5. Step 5: Solve for x
    x = 9,816,954,011.54/149,103.10
  6. Step 6: Final answer
    x = 65,840.04

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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.