Home / 131,977.46-182,086.05-74,611.22

Finding the Fourth Proportional to 131,977.46, 182,086.05 and 74,611.22

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Solution

The fourth proportional to 131,977.46, 182,086.05 and 74,611.22 is: 102,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,977.46 : 182,086.05 = 74,611.22 : x
  2. Step 2: Convert to fraction form
    131,977.46/182,086.05 = 74,611.22/x
  3. Step 3: Cross multiply
    131,977.46x = 182,086.05 × 74,611.22
  4. Step 4: Simplify right side
    131,977.46x = 13,585,662,335.48
  5. Step 5: Solve for x
    x = 13,585,662,335.48/131,977.46
  6. Step 6: Final answer
    x = 102,939.26

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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.