Home / 144,600.30-216,511.65-104,942.70

Finding the Fourth Proportional to 144,600.30, 216,511.65 and 104,942.70

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Solution

The fourth proportional to 144,600.30, 216,511.65 and 104,942.70 is: 157,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,600.30 : 216,511.65 = 104,942.70 : x
  2. Step 2: Convert to fraction form
    144,600.30/216,511.65 = 104,942.70/x
  3. Step 3: Cross multiply
    144,600.30x = 216,511.65 × 104,942.70
  4. Step 4: Simplify right side
    144,600.30x = 22,721,317,132.46
  5. Step 5: Solve for x
    x = 22,721,317,132.46/144,600.30
  6. Step 6: Final answer
    x = 157,131.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.