Home / 192,383.08-288,574.62-52,141.71

Finding the Fourth Proportional to 192,383.08, 288,574.62 and 52,141.71

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Solution

The fourth proportional to 192,383.08, 288,574.62 and 52,141.71 is: 78,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,383.08 : 288,574.62 = 52,141.71 : x
  2. Step 2: Convert to fraction form
    192,383.08/288,574.62 = 52,141.71/x
  3. Step 3: Cross multiply
    192,383.08x = 288,574.62 × 52,141.71
  4. Step 4: Simplify right side
    192,383.08x = 15,046,772,706.53
  5. Step 5: Solve for x
    x = 15,046,772,706.53/192,383.08
  6. Step 6: Final answer
    x = 78,212.56

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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.