Home / 188,447.12-282,672.24-55,329.52

Finding the Fourth Proportional to 188,447.12, 282,672.24 and 55,329.52

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Solution

The fourth proportional to 188,447.12, 282,672.24 and 55,329.52 is: 82,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,447.12 : 282,672.24 = 55,329.52 : x
  2. Step 2: Convert to fraction form
    188,447.12/282,672.24 = 55,329.52/x
  3. Step 3: Cross multiply
    188,447.12x = 282,672.24 × 55,329.52
  4. Step 4: Simplify right side
    188,447.12x = 15,640,119,356.52
  5. Step 5: Solve for x
    x = 15,640,119,356.52/188,447.12
  6. Step 6: Final answer
    x = 82,994.74

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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.