Home / 212,973.20-293,997.48-137,558.48

Finding the Fourth Proportional to 212,973.20, 293,997.48 and 137,558.48

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Solution

The fourth proportional to 212,973.20, 293,997.48 and 137,558.48 is: 189,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,973.20 : 293,997.48 = 137,558.48 : x
  2. Step 2: Convert to fraction form
    212,973.20/293,997.48 = 137,558.48/x
  3. Step 3: Cross multiply
    212,973.20x = 293,997.48 × 137,558.48
  4. Step 4: Simplify right side
    212,973.20x = 40,441,846,472.63
  5. Step 5: Solve for x
    x = 40,441,846,472.63/212,973.20
  6. Step 6: Final answer
    x = 189,891.72

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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.