Home / 188,310.39-282,474.12-53,384.10

Finding the Fourth Proportional to 188,310.39, 282,474.12 and 53,384.10

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Solution

The fourth proportional to 188,310.39, 282,474.12 and 53,384.10 is: 80,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,310.39 : 282,474.12 = 53,384.10 : x
  2. Step 2: Convert to fraction form
    188,310.39/282,474.12 = 53,384.10/x
  3. Step 3: Cross multiply
    188,310.39x = 282,474.12 × 53,384.10
  4. Step 4: Simplify right side
    188,310.39x = 15,079,626,669.49
  5. Step 5: Solve for x
    x = 15,079,626,669.49/188,310.39
  6. Step 6: Final answer
    x = 80,078.57

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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.