Home / 86,148.05-118,866.87-50,331.14

Finding the Fourth Proportional to 86,148.05, 118,866.87 and 50,331.14

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Solution

The fourth proportional to 86,148.05, 118,866.87 and 50,331.14 is: 69,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.05 : 118,866.87 = 50,331.14 : x
  2. Step 2: Convert to fraction form
    86,148.05/118,866.87 = 50,331.14/x
  3. Step 3: Cross multiply
    86,148.05x = 118,866.87 × 50,331.14
  4. Step 4: Simplify right side
    86,148.05x = 5,982,704,481.00
  5. Step 5: Solve for x
    x = 5,982,704,481.00/86,148.05
  6. Step 6: Final answer
    x = 69,446.78

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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.