Home / 125,424.16-173,085.20-68,835.68

Finding the Fourth Proportional to 125,424.16, 173,085.20 and 68,835.68

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Solution

The fourth proportional to 125,424.16, 173,085.20 and 68,835.68 is: 94,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,424.16 : 173,085.20 = 68,835.68 : x
  2. Step 2: Convert to fraction form
    125,424.16/173,085.20 = 68,835.68/x
  3. Step 3: Cross multiply
    125,424.16x = 173,085.20 × 68,835.68
  4. Step 4: Simplify right side
    125,424.16x = 11,914,437,439.94
  5. Step 5: Solve for x
    x = 11,914,437,439.94/125,424.16
  6. Step 6: Final answer
    x = 94,993.16

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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.