Home / 124,231.56-171,395.88-81,236.22

Finding the Fourth Proportional to 124,231.56, 171,395.88 and 81,236.22

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Solution

The fourth proportional to 124,231.56, 171,395.88 and 81,236.22 is: 112,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,231.56 : 171,395.88 = 81,236.22 : x
  2. Step 2: Convert to fraction form
    124,231.56/171,395.88 = 81,236.22/x
  3. Step 3: Cross multiply
    124,231.56x = 171,395.88 × 81,236.22
  4. Step 4: Simplify right side
    124,231.56x = 13,923,553,414.77
  5. Step 5: Solve for x
    x = 13,923,553,414.77/124,231.56
  6. Step 6: Final answer
    x = 112,077.43

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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.