Home / 132,977.30-199,299.63-66,436.07

Finding the Fourth Proportional to 132,977.30, 199,299.63 and 66,436.07

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Solution

The fourth proportional to 132,977.30, 199,299.63 and 66,436.07 is: 99,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,977.30 : 199,299.63 = 66,436.07 : x
  2. Step 2: Convert to fraction form
    132,977.30/199,299.63 = 66,436.07/x
  3. Step 3: Cross multiply
    132,977.30x = 199,299.63 × 66,436.07
  4. Step 4: Simplify right side
    132,977.30x = 13,240,684,169.65
  5. Step 5: Solve for x
    x = 13,240,684,169.65/132,977.30
  6. Step 6: Final answer
    x = 99,571.01

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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.