Home / 212,609.88-293,227.08-155,184.66

Finding the Fourth Proportional to 212,609.88, 293,227.08 and 155,184.66

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Solution

The fourth proportional to 212,609.88, 293,227.08 and 155,184.66 is: 214,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,609.88 : 293,227.08 = 155,184.66 : x
  2. Step 2: Convert to fraction form
    212,609.88/293,227.08 = 155,184.66/x
  3. Step 3: Cross multiply
    212,609.88x = 293,227.08 × 155,184.66
  4. Step 4: Simplify right side
    212,609.88x = 45,504,344,712.59
  5. Step 5: Solve for x
    x = 45,504,344,712.59/212,609.88
  6. Step 6: Final answer
    x = 214,027.42

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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.