Home / 107,626.10-161,439.30-51,453

Finding the Fourth Proportional to 107,626.10, 161,439.30 and 51,453

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Solution

The fourth proportional to 107,626.10, 161,439.30 and 51,453 is: 77,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,626.10 : 161,439.30 = 51,453 : x
  2. Step 2: Convert to fraction form
    107,626.10/161,439.30 = 51,453/x
  3. Step 3: Cross multiply
    107,626.10x = 161,439.30 × 51,453
  4. Step 4: Simplify right side
    107,626.10x = 8,306,536,302.90
  5. Step 5: Solve for x
    x = 8,306,536,302.90/107,626.10
  6. Step 6: Final answer
    x = 77,179.58

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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.