Home / 213,568.16-294,724.56-122,929.76

Finding the Fourth Proportional to 213,568.16, 294,724.56 and 122,929.76

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Solution

The fourth proportional to 213,568.16, 294,724.56 and 122,929.76 is: 169,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,568.16 : 294,724.56 = 122,929.76 : x
  2. Step 2: Convert to fraction form
    213,568.16/294,724.56 = 122,929.76/x
  3. Step 3: Cross multiply
    213,568.16x = 294,724.56 × 122,929.76
  4. Step 4: Simplify right side
    213,568.16x = 36,230,419,426.91
  5. Step 5: Solve for x
    x = 36,230,419,426.91/213,568.16
  6. Step 6: Final answer
    x = 169,643.36

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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.