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Finding the Fourth Proportional to 212,989.82, 293,924.31 and 117,500.54

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Solution

The fourth proportional to 212,989.82, 293,924.31 and 117,500.54 is: 162,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,989.82 : 293,924.31 = 117,500.54 : x
  2. Step 2: Convert to fraction form
    212,989.82/293,924.31 = 117,500.54/x
  3. Step 3: Cross multiply
    212,989.82x = 293,924.31 × 117,500.54
  4. Step 4: Simplify right side
    212,989.82x = 34,536,265,144.13
  5. Step 5: Solve for x
    x = 34,536,265,144.13/212,989.82
  6. Step 6: Final answer
    x = 162,149.84

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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.