Home / 131,977.57-182,086.23-74,611.36

Finding the Fourth Proportional to 131,977.57, 182,086.23 and 74,611.36

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Solution

The fourth proportional to 131,977.57, 182,086.23 and 74,611.36 is: 102,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,977.57 : 182,086.23 = 74,611.36 : x
  2. Step 2: Convert to fraction form
    131,977.57/182,086.23 = 74,611.36/x
  3. Step 3: Cross multiply
    131,977.57x = 182,086.23 × 74,611.36
  4. Step 4: Simplify right side
    131,977.57x = 13,585,701,257.57
  5. Step 5: Solve for x
    x = 13,585,701,257.57/131,977.57
  6. Step 6: Final answer
    x = 102,939.47

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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.