Home / 86,974.26-120,022.45-51,166.58

Finding the Fourth Proportional to 86,974.26, 120,022.45 and 51,166.58

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Solution

The fourth proportional to 86,974.26, 120,022.45 and 51,166.58 is: 70,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.26 : 120,022.45 = 51,166.58 : x
  2. Step 2: Convert to fraction form
    86,974.26/120,022.45 = 51,166.58/x
  3. Step 3: Cross multiply
    86,974.26x = 120,022.45 × 51,166.58
  4. Step 4: Simplify right side
    86,974.26x = 6,141,138,417.64
  5. Step 5: Solve for x
    x = 6,141,138,417.64/86,974.26
  6. Step 6: Final answer
    x = 70,608.69

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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.