Home / 266,788.61-368,163.11-145,929.51

Finding the Fourth Proportional to 266,788.61, 368,163.11 and 145,929.51

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Solution

The fourth proportional to 266,788.61, 368,163.11 and 145,929.51 is: 201,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,788.61 : 368,163.11 = 145,929.51 : x
  2. Step 2: Convert to fraction form
    266,788.61/368,163.11 = 145,929.51/x
  3. Step 3: Cross multiply
    266,788.61x = 368,163.11 × 145,929.51
  4. Step 4: Simplify right side
    266,788.61x = 53,725,861,512.73
  5. Step 5: Solve for x
    x = 53,725,861,512.73/266,788.61
  6. Step 6: Final answer
    x = 201,379.90

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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.