Home / 92,839.56-139,236.92-42,871.62

Finding the Fourth Proportional to 92,839.56, 139,236.92 and 42,871.62

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Solution

The fourth proportional to 92,839.56, 139,236.92 and 42,871.62 is: 64,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.56 : 139,236.92 = 42,871.62 : x
  2. Step 2: Convert to fraction form
    92,839.56/139,236.92 = 42,871.62/x
  3. Step 3: Cross multiply
    92,839.56x = 139,236.92 × 42,871.62
  4. Step 4: Simplify right side
    92,839.56x = 5,969,312,324.21
  5. Step 5: Solve for x
    x = 5,969,312,324.21/92,839.56
  6. Step 6: Final answer
    x = 64,297.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.