Home / 82,166.73-113,390.65-51,965.07

Finding the Fourth Proportional to 82,166.73, 113,390.65 and 51,965.07

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Solution

The fourth proportional to 82,166.73, 113,390.65 and 51,965.07 is: 71,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166.73 : 113,390.65 = 51,965.07 : x
  2. Step 2: Convert to fraction form
    82,166.73/113,390.65 = 51,965.07/x
  3. Step 3: Cross multiply
    82,166.73x = 113,390.65 × 51,965.07
  4. Step 4: Simplify right side
    82,166.73x = 5,892,352,367.73
  5. Step 5: Solve for x
    x = 5,892,352,367.73/82,166.73
  6. Step 6: Final answer
    x = 71,712.15

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1.5x scale

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.