Home / 199,409.32-299,049.27-66,253.83

Finding the Fourth Proportional to 199,409.32, 299,049.27 and 66,253.83

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Solution

The fourth proportional to 199,409.32, 299,049.27 and 66,253.83 is: 99,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,409.32 : 299,049.27 = 66,253.83 : x
  2. Step 2: Convert to fraction form
    199,409.32/299,049.27 = 66,253.83/x
  3. Step 3: Cross multiply
    199,409.32x = 299,049.27 × 66,253.83
  4. Step 4: Simplify right side
    199,409.32x = 19,813,159,496.20
  5. Step 5: Solve for x
    x = 19,813,159,496.20/199,409.32
  6. Step 6: Final answer
    x = 99,359.25

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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.