Home / 192,070.05-288,096.57-65,721.39

Finding the Fourth Proportional to 192,070.05, 288,096.57 and 65,721.39

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Solution

The fourth proportional to 192,070.05, 288,096.57 and 65,721.39 is: 98,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,070.05 : 288,096.57 = 65,721.39 : x
  2. Step 2: Convert to fraction form
    192,070.05/288,096.57 = 65,721.39/x
  3. Step 3: Cross multiply
    192,070.05x = 288,096.57 × 65,721.39
  4. Step 4: Simplify right side
    192,070.05x = 18,934,107,034.63
  5. Step 5: Solve for x
    x = 18,934,107,034.63/192,070.05
  6. Step 6: Final answer
    x = 98,579.17

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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.