Home / 213,590.92-294,748.22-122,934.32

Finding the Fourth Proportional to 213,590.92, 294,748.22 and 122,934.32

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Solution

The fourth proportional to 213,590.92, 294,748.22 and 122,934.32 is: 169,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,590.92 : 294,748.22 = 122,934.32 : x
  2. Step 2: Convert to fraction form
    213,590.92/294,748.22 = 122,934.32/x
  3. Step 3: Cross multiply
    213,590.92x = 294,748.22 × 122,934.32
  4. Step 4: Simplify right side
    213,590.92x = 36,234,671,996.91
  5. Step 5: Solve for x
    x = 36,234,671,996.91/213,590.92
  6. Step 6: Final answer
    x = 169,645.19

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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.