Home / 213,356.90-294,440.97-122,712.76

Finding the Fourth Proportional to 213,356.90, 294,440.97 and 122,712.76

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Solution

The fourth proportional to 213,356.90, 294,440.97 and 122,712.76 is: 169,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,356.90 : 294,440.97 = 122,712.76 : x
  2. Step 2: Convert to fraction form
    213,356.90/294,440.97 = 122,712.76/x
  3. Step 3: Cross multiply
    213,356.90x = 294,440.97 × 122,712.76
  4. Step 4: Simplify right side
    213,356.90x = 36,131,663,257.77
  5. Step 5: Solve for x
    x = 36,131,663,257.77/213,356.90
  6. Step 6: Final answer
    x = 169,348.46

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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.