Home / 213,340.74-294,391.17-122,672.58

Finding the Fourth Proportional to 213,340.74, 294,391.17 and 122,672.58

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Solution

The fourth proportional to 213,340.74, 294,391.17 and 122,672.58 is: 169,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,340.74 : 294,391.17 = 122,672.58 : x
  2. Step 2: Convert to fraction form
    213,340.74/294,391.17 = 122,672.58/x
  3. Step 3: Cross multiply
    213,340.74x = 294,391.17 × 122,672.58
  4. Step 4: Simplify right side
    213,340.74x = 36,113,724,353.12
  5. Step 5: Solve for x
    x = 36,113,724,353.12/213,340.74
  6. Step 6: Final answer
    x = 169,277.21

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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.