Home / 204,073.58-306,132.69-69,235.01

Finding the Fourth Proportional to 204,073.58, 306,132.69 and 69,235.01

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Solution

The fourth proportional to 204,073.58, 306,132.69 and 69,235.01 is: 103,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,073.58 : 306,132.69 = 69,235.01 : x
  2. Step 2: Convert to fraction form
    204,073.58/306,132.69 = 69,235.01/x
  3. Step 3: Cross multiply
    204,073.58x = 306,132.69 × 69,235.01
  4. Step 4: Simplify right side
    204,073.58x = 21,195,098,322.81
  5. Step 5: Solve for x
    x = 21,195,098,322.81/204,073.58
  6. Step 6: Final answer
    x = 103,860.08

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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.