Home / 92,961.28-139,439.58-26,401.24

Finding the Fourth Proportional to 92,961.28, 139,439.58 and 26,401.24

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Solution

The fourth proportional to 92,961.28, 139,439.58 and 26,401.24 is: 39,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.28 : 139,439.58 = 26,401.24 : x
  2. Step 2: Convert to fraction form
    92,961.28/139,439.58 = 26,401.24/x
  3. Step 3: Cross multiply
    92,961.28x = 139,439.58 × 26,401.24
  4. Step 4: Simplify right side
    92,961.28x = 3,681,377,817.08
  5. Step 5: Solve for x
    x = 3,681,377,817.08/92,961.28
  6. Step 6: Final answer
    x = 39,601.20

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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.