Home / 204,011.73-305,829.95-109,307.07

Finding the Fourth Proportional to 204,011.73, 305,829.95 and 109,307.07

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Solution

The fourth proportional to 204,011.73, 305,829.95 and 109,307.07 is: 163,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,011.73 : 305,829.95 = 109,307.07 : x
  2. Step 2: Convert to fraction form
    204,011.73/305,829.95 = 109,307.07/x
  3. Step 3: Cross multiply
    204,011.73x = 305,829.95 × 109,307.07
  4. Step 4: Simplify right side
    204,011.73x = 33,429,375,206.21
  5. Step 5: Solve for x
    x = 33,429,375,206.21/204,011.73
  6. Step 6: Final answer
    x = 163,860.06

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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.