Home / 86,389.14-119,217.20-48,663.38

Finding the Fourth Proportional to 86,389.14, 119,217.20 and 48,663.38

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Solution

The fourth proportional to 86,389.14, 119,217.20 and 48,663.38 is: 67,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.14 : 119,217.20 = 48,663.38 : x
  2. Step 2: Convert to fraction form
    86,389.14/119,217.20 = 48,663.38/x
  3. Step 3: Cross multiply
    86,389.14x = 119,217.20 × 48,663.38
  4. Step 4: Simplify right side
    86,389.14x = 5,801,511,906.14
  5. Step 5: Solve for x
    x = 5,801,511,906.14/86,389.14
  6. Step 6: Final answer
    x = 67,155.57

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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.