Home / 188,327.73-282,419.31-80,188.58

Finding the Fourth Proportional to 188,327.73, 282,419.31 and 80,188.58

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Solution

The fourth proportional to 188,327.73, 282,419.31 and 80,188.58 is: 120,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,327.73 : 282,419.31 = 80,188.58 : x
  2. Step 2: Convert to fraction form
    188,327.73/282,419.31 = 80,188.58/x
  3. Step 3: Cross multiply
    188,327.73x = 282,419.31 × 80,188.58
  4. Step 4: Simplify right side
    188,327.73x = 22,646,803,989.17
  5. Step 5: Solve for x
    x = 22,646,803,989.17/188,327.73
  6. Step 6: Final answer
    x = 120,252.09

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1.5x scale

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.