Home / 188,321.68-282,521.40-55,206.28

Finding the Fourth Proportional to 188,321.68, 282,521.40 and 55,206.28

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Solution

The fourth proportional to 188,321.68, 282,521.40 and 55,206.28 is: 82,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,321.68 : 282,521.40 = 55,206.28 : x
  2. Step 2: Convert to fraction form
    188,321.68/282,521.40 = 55,206.28/x
  3. Step 3: Cross multiply
    188,321.68x = 282,521.40 × 55,206.28
  4. Step 4: Simplify right side
    188,321.68x = 15,596,955,514.39
  5. Step 5: Solve for x
    x = 15,596,955,514.39/188,321.68
  6. Step 6: Final answer
    x = 82,820.82

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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.