Home / 122,910.18-169,605.14-68,458.20

Finding the Fourth Proportional to 122,910.18, 169,605.14 and 68,458.20

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Solution

The fourth proportional to 122,910.18, 169,605.14 and 68,458.20 is: 94,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,910.18 : 169,605.14 = 68,458.20 : x
  2. Step 2: Convert to fraction form
    122,910.18/169,605.14 = 68,458.20/x
  3. Step 3: Cross multiply
    122,910.18x = 169,605.14 × 68,458.20
  4. Step 4: Simplify right side
    122,910.18x = 11,610,862,595.15
  5. Step 5: Solve for x
    x = 11,610,862,595.15/122,910.18
  6. Step 6: Final answer
    x = 94,466.24

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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.