Home / 144,824.96-216,954.62-68,815.34

Finding the Fourth Proportional to 144,824.96, 216,954.62 and 68,815.34

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Solution

The fourth proportional to 144,824.96, 216,954.62 and 68,815.34 is: 103,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,824.96 : 216,954.62 = 68,815.34 : x
  2. Step 2: Convert to fraction form
    144,824.96/216,954.62 = 68,815.34/x
  3. Step 3: Cross multiply
    144,824.96x = 216,954.62 × 68,815.34
  4. Step 4: Simplify right side
    144,824.96x = 14,929,805,939.87
  5. Step 5: Solve for x
    x = 14,929,805,939.87/144,824.96
  6. Step 6: Final answer
    x = 103,088.62

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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.