Home / 131,977.96-182,086.74-74,611.72

Finding the Fourth Proportional to 131,977.96, 182,086.74 and 74,611.72

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Solution

The fourth proportional to 131,977.96, 182,086.74 and 74,611.72 is: 102,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,977.96 : 182,086.74 = 74,611.72 : x
  2. Step 2: Convert to fraction form
    131,977.96/182,086.74 = 74,611.72/x
  3. Step 3: Cross multiply
    131,977.96x = 182,086.74 × 74,611.72
  4. Step 4: Simplify right side
    131,977.96x = 13,585,804,860.59
  5. Step 5: Solve for x
    x = 13,585,804,860.59/131,977.96
  6. Step 6: Final answer
    x = 102,939.95

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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.