Home / 122,828.18-169,500.48-68,379.62

Finding the Fourth Proportional to 122,828.18, 169,500.48 and 68,379.62

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Solution

The fourth proportional to 122,828.18, 169,500.48 and 68,379.62 is: 94,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.18 : 169,500.48 = 68,379.62 : x
  2. Step 2: Convert to fraction form
    122,828.18/169,500.48 = 68,379.62/x
  3. Step 3: Cross multiply
    122,828.18x = 169,500.48 × 68,379.62
  4. Step 4: Simplify right side
    122,828.18x = 11,590,378,412.22
  5. Step 5: Solve for x
    x = 11,590,378,412.22/122,828.18
  6. Step 6: Final answer
    x = 94,362.53

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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.