Home / 204,931.20-282,826.80-120,119.52

Finding the Fourth Proportional to 204,931.20, 282,826.80 and 120,119.52

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Solution

The fourth proportional to 204,931.20, 282,826.80 and 120,119.52 is: 165,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,931.20 : 282,826.80 = 120,119.52 : x
  2. Step 2: Convert to fraction form
    204,931.20/282,826.80 = 120,119.52/x
  3. Step 3: Cross multiply
    204,931.20x = 282,826.80 × 120,119.52
  4. Step 4: Simplify right side
    204,931.20x = 33,973,019,459.14
  5. Step 5: Solve for x
    x = 33,973,019,459.14/204,931.20
  6. Step 6: Final answer
    x = 165,777.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.