Home / 212,422.27-293,108.42-121,761.55

Finding the Fourth Proportional to 212,422.27, 293,108.42 and 121,761.55

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Solution

The fourth proportional to 212,422.27, 293,108.42 and 121,761.55 is: 168,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,422.27 : 293,108.42 = 121,761.55 : x
  2. Step 2: Convert to fraction form
    212,422.27/293,108.42 = 121,761.55/x
  3. Step 3: Cross multiply
    212,422.27x = 293,108.42 × 121,761.55
  4. Step 4: Simplify right side
    212,422.27x = 35,689,335,537.25
  5. Step 5: Solve for x
    x = 35,689,335,537.25/212,422.27
  6. Step 6: Final answer
    x = 168,011.27

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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.