Home / 86,179.45-118,944.68-55,922.29

Finding the Fourth Proportional to 86,179.45, 118,944.68 and 55,922.29

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Solution

The fourth proportional to 86,179.45, 118,944.68 and 55,922.29 is: 77,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.45 : 118,944.68 = 55,922.29 : x
  2. Step 2: Convert to fraction form
    86,179.45/118,944.68 = 55,922.29/x
  3. Step 3: Cross multiply
    86,179.45x = 118,944.68 × 55,922.29
  4. Step 4: Simplify right side
    86,179.45x = 6,651,658,888.92
  5. Step 5: Solve for x
    x = 6,651,658,888.92/86,179.45
  6. Step 6: Final answer
    x = 77,183.82

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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.