Home / 86,388.60-119,222.46-48,150.72

Finding the Fourth Proportional to 86,388.60, 119,222.46 and 48,150.72

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Solution

The fourth proportional to 86,388.60, 119,222.46 and 48,150.72 is: 66,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.60 : 119,222.46 = 48,150.72 : x
  2. Step 2: Convert to fraction form
    86,388.60/119,222.46 = 48,150.72/x
  3. Step 3: Cross multiply
    86,388.60x = 119,222.46 × 48,150.72
  4. Step 4: Simplify right side
    86,388.60x = 5,740,647,289.17
  5. Step 5: Solve for x
    x = 5,740,647,289.17/86,388.60
  6. Step 6: Final answer
    x = 66,451.44

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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.