Home / 149,037.20-223,508.38-49,178.78

Finding the Fourth Proportional to 149,037.20, 223,508.38 and 49,178.78

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Solution

The fourth proportional to 149,037.20, 223,508.38 and 49,178.78 is: 73,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,037.20 : 223,508.38 = 49,178.78 : x
  2. Step 2: Convert to fraction form
    149,037.20/223,508.38 = 49,178.78/x
  3. Step 3: Cross multiply
    149,037.20x = 223,508.38 × 49,178.78
  4. Step 4: Simplify right side
    149,037.20x = 10,991,869,448.18
  5. Step 5: Solve for x
    x = 10,991,869,448.18/149,037.20
  6. Step 6: Final answer
    x = 73,752.52

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1.5x scale

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.