Home / 213,385.92-294,342.44-136,879.26

Finding the Fourth Proportional to 213,385.92, 294,342.44 and 136,879.26

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Solution

The fourth proportional to 213,385.92, 294,342.44 and 136,879.26 is: 188,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,385.92 : 294,342.44 = 136,879.26 : x
  2. Step 2: Convert to fraction form
    213,385.92/294,342.44 = 136,879.26/x
  3. Step 3: Cross multiply
    213,385.92x = 294,342.44 × 136,879.26
  4. Step 4: Simplify right side
    213,385.92x = 40,289,374,689.40
  5. Step 5: Solve for x
    x = 40,289,374,689.40/213,385.92
  6. Step 6: Final answer
    x = 188,809.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.