Home / 125,718.45-173,491.46-69,129.83

Finding the Fourth Proportional to 125,718.45, 173,491.46 and 69,129.83

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Solution

The fourth proportional to 125,718.45, 173,491.46 and 69,129.83 is: 95,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,718.45 : 173,491.46 = 69,129.83 : x
  2. Step 2: Convert to fraction form
    125,718.45/173,491.46 = 69,129.83/x
  3. Step 3: Cross multiply
    125,718.45x = 173,491.46 × 69,129.83
  4. Step 4: Simplify right side
    125,718.45x = 11,993,435,136.25
  5. Step 5: Solve for x
    x = 11,993,435,136.25/125,718.45
  6. Step 6: Final answer
    x = 95,399.16

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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.