Home / 213,304.15-294,347.60-122,645.71

Finding the Fourth Proportional to 213,304.15, 294,347.60 and 122,645.71

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Solution

The fourth proportional to 213,304.15, 294,347.60 and 122,645.71 is: 169,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,304.15 : 294,347.60 = 122,645.71 : x
  2. Step 2: Convert to fraction form
    213,304.15/294,347.60 = 122,645.71/x
  3. Step 3: Cross multiply
    213,304.15x = 294,347.60 × 122,645.71
  4. Step 4: Simplify right side
    213,304.15x = 36,100,468,917.06
  5. Step 5: Solve for x
    x = 36,100,468,917.06/213,304.15
  6. Step 6: Final answer
    x = 169,244.10

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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.