Home / 168,864.32-252,963.59-137,310

Finding the Fourth Proportional to 168,864.32, 252,963.59 and 137,310

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Solution

The fourth proportional to 168,864.32, 252,963.59 and 137,310 is: 205,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,864.32 : 252,963.59 = 137,310 : x
  2. Step 2: Convert to fraction form
    168,864.32/252,963.59 = 137,310/x
  3. Step 3: Cross multiply
    168,864.32x = 252,963.59 × 137,310
  4. Step 4: Simplify right side
    168,864.32x = 34,734,429,856.35
  5. Step 5: Solve for x
    x = 34,734,429,856.35/168,864.32
  6. Step 6: Final answer
    x = 205,694.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.