Home / 148,936.40-223,426.20-49,079.60

Finding the Fourth Proportional to 148,936.40, 223,426.20 and 49,079.60

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Solution

The fourth proportional to 148,936.40, 223,426.20 and 49,079.60 is: 73,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.40 : 223,426.20 = 49,079.60 : x
  2. Step 2: Convert to fraction form
    148,936.40/223,426.20 = 49,079.60/x
  3. Step 3: Cross multiply
    148,936.40x = 223,426.20 × 49,079.60
  4. Step 4: Simplify right side
    148,936.40x = 10,965,668,525.52
  5. Step 5: Solve for x
    x = 10,965,668,525.52/148,936.40
  6. Step 6: Final answer
    x = 73,626.52

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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.