Home / 86,391.14-119,219.96-48,665.38

Finding the Fourth Proportional to 86,391.14, 119,219.96 and 48,665.38

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Solution

The fourth proportional to 86,391.14, 119,219.96 and 48,665.38 is: 67,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,391.14 : 119,219.96 = 48,665.38 : x
  2. Step 2: Convert to fraction form
    86,391.14/119,219.96 = 48,665.38/x
  3. Step 3: Cross multiply
    86,391.14x = 119,219.96 × 48,665.38
  4. Step 4: Simplify right side
    86,391.14x = 5,801,884,656.98
  5. Step 5: Solve for x
    x = 5,801,884,656.98/86,391.14
  6. Step 6: Final answer
    x = 67,158.33

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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.