Home / 99,947.68-149,963.06-43,758.85

Finding the Fourth Proportional to 99,947.68, 149,963.06 and 43,758.85

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Solution

The fourth proportional to 99,947.68, 149,963.06 and 43,758.85 is: 65,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.68 : 149,963.06 = 43,758.85 : x
  2. Step 2: Convert to fraction form
    99,947.68/149,963.06 = 43,758.85/x
  3. Step 3: Cross multiply
    99,947.68x = 149,963.06 × 43,758.85
  4. Step 4: Simplify right side
    99,947.68x = 6,562,211,048.08
  5. Step 5: Solve for x
    x = 6,562,211,048.08/99,947.68
  6. Step 6: Final answer
    x = 65,656.46

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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.