Home / 149,387.90-223,946.22-74,530.94

Finding the Fourth Proportional to 149,387.90, 223,946.22 and 74,530.94

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Solution

The fourth proportional to 149,387.90, 223,946.22 and 74,530.94 is: 111,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,387.90 : 223,946.22 = 74,530.94 : x
  2. Step 2: Convert to fraction form
    149,387.90/223,946.22 = 74,530.94/x
  3. Step 3: Cross multiply
    149,387.90x = 223,946.22 × 74,530.94
  4. Step 4: Simplify right side
    149,387.90x = 16,690,922,286.05
  5. Step 5: Solve for x
    x = 16,690,922,286.05/149,387.90
  6. Step 6: Final answer
    x = 111,728.74

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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.