Home / 188,454.69-282,571.34-76,138.47

Finding the Fourth Proportional to 188,454.69, 282,571.34 and 76,138.47

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Solution

The fourth proportional to 188,454.69, 282,571.34 and 76,138.47 is: 114,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,454.69 : 282,571.34 = 76,138.47 : x
  2. Step 2: Convert to fraction form
    188,454.69/282,571.34 = 76,138.47/x
  3. Step 3: Cross multiply
    188,454.69x = 282,571.34 × 76,138.47
  4. Step 4: Simplify right side
    188,454.69x = 21,514,549,112.76
  5. Step 5: Solve for x
    x = 21,514,549,112.76/188,454.69
  6. Step 6: Final answer
    x = 114,162.98

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1.5x scale

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.