Home / 122,441.10-168,985.77-68,005.50

Finding the Fourth Proportional to 122,441.10, 168,985.77 and 68,005.50

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Solution

The fourth proportional to 122,441.10, 168,985.77 and 68,005.50 is: 93,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,441.10 : 168,985.77 = 68,005.50 : x
  2. Step 2: Convert to fraction form
    122,441.10/168,985.77 = 68,005.50/x
  3. Step 3: Cross multiply
    122,441.10x = 168,985.77 × 68,005.50
  4. Step 4: Simplify right side
    122,441.10x = 11,491,961,781.74
  5. Step 5: Solve for x
    x = 11,491,961,781.74/122,441.10
  6. Step 6: Final answer
    x = 93,857.06

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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.