Home / 212,917.05-293,846.22-159,108.60

Finding the Fourth Proportional to 212,917.05, 293,846.22 and 159,108.60

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Solution

The fourth proportional to 212,917.05, 293,846.22 and 159,108.60 is: 219,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,917.05 : 293,846.22 = 159,108.60 : x
  2. Step 2: Convert to fraction form
    212,917.05/293,846.22 = 159,108.60/x
  3. Step 3: Cross multiply
    212,917.05x = 293,846.22 × 159,108.60
  4. Step 4: Simplify right side
    212,917.05x = 46,753,460,679.49
  5. Step 5: Solve for x
    x = 46,753,460,679.49/212,917.05
  6. Step 6: Final answer
    x = 219,585.33

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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.