Home / 212,572.48-293,035.44-136,080.64

Finding the Fourth Proportional to 212,572.48, 293,035.44 and 136,080.64

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Solution

The fourth proportional to 212,572.48, 293,035.44 and 136,080.64 is: 187,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,572.48 : 293,035.44 = 136,080.64 : x
  2. Step 2: Convert to fraction form
    212,572.48/293,035.44 = 136,080.64/x
  3. Step 3: Cross multiply
    212,572.48x = 293,035.44 × 136,080.64
  4. Step 4: Simplify right side
    212,572.48x = 39,876,450,217.88
  5. Step 5: Solve for x
    x = 39,876,450,217.88/212,572.48
  6. Step 6: Final answer
    x = 187,589.90

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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.