Home / 144,819.46-216,946.39-68,809.83

Finding the Fourth Proportional to 144,819.46, 216,946.39 and 68,809.83

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Solution

The fourth proportional to 144,819.46, 216,946.39 and 68,809.83 is: 103,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,819.46 : 216,946.39 = 68,809.83 : x
  2. Step 2: Convert to fraction form
    144,819.46/216,946.39 = 68,809.83/x
  3. Step 3: Cross multiply
    144,819.46x = 216,946.39 × 68,809.83
  4. Step 4: Simplify right side
    144,819.46x = 14,928,044,042.99
  5. Step 5: Solve for x
    x = 14,928,044,042.99/144,819.46
  6. Step 6: Final answer
    x = 103,080.38

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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.