Home / 104,385.30-144,171.36-68,734.68

Finding the Fourth Proportional to 104,385.30, 144,171.36 and 68,734.68

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Solution

The fourth proportional to 104,385.30, 144,171.36 and 68,734.68 is: 94,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,385.30 : 144,171.36 = 68,734.68 : x
  2. Step 2: Convert to fraction form
    104,385.30/144,171.36 = 68,734.68/x
  3. Step 3: Cross multiply
    104,385.30x = 144,171.36 × 68,734.68
  4. Step 4: Simplify right side
    104,385.30x = 9,909,572,294.76
  5. Step 5: Solve for x
    x = 9,909,572,294.76/104,385.30
  6. Step 6: Final answer
    x = 94,932.64

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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.