Home / 86,465.25-119,420.46-58,121.73

Finding the Fourth Proportional to 86,465.25, 119,420.46 and 58,121.73

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Solution

The fourth proportional to 86,465.25, 119,420.46 and 58,121.73 is: 80,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.25 : 119,420.46 = 58,121.73 : x
  2. Step 2: Convert to fraction form
    86,465.25/119,420.46 = 58,121.73/x
  3. Step 3: Cross multiply
    86,465.25x = 119,420.46 × 58,121.73
  4. Step 4: Simplify right side
    86,465.25x = 6,940,923,732.60
  5. Step 5: Solve for x
    x = 6,940,923,732.60/86,465.25
  6. Step 6: Final answer
    x = 80,274.14

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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.