Home / 214,171.20-295,694.40-137,724.48

Finding the Fourth Proportional to 214,171.20, 295,694.40 and 137,724.48

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Solution

The fourth proportional to 214,171.20, 295,694.40 and 137,724.48 is: 190,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,171.20 : 295,694.40 = 137,724.48 : x
  2. Step 2: Convert to fraction form
    214,171.20/295,694.40 = 137,724.48/x
  3. Step 3: Cross multiply
    214,171.20x = 295,694.40 × 137,724.48
  4. Step 4: Simplify right side
    214,171.20x = 40,724,357,478.91
  5. Step 5: Solve for x
    x = 40,724,357,478.91/214,171.20
  6. Step 6: Final answer
    x = 190,148.62

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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.