Home / 112,611.24-155,378.86-67,282.43

Finding the Fourth Proportional to 112,611.24, 155,378.86 and 67,282.43

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Solution

The fourth proportional to 112,611.24, 155,378.86 and 67,282.43 is: 92,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,611.24 : 155,378.86 = 67,282.43 : x
  2. Step 2: Convert to fraction form
    112,611.24/155,378.86 = 67,282.43/x
  3. Step 3: Cross multiply
    112,611.24x = 155,378.86 × 67,282.43
  4. Step 4: Simplify right side
    112,611.24x = 10,454,266,326.33
  5. Step 5: Solve for x
    x = 10,454,266,326.33/112,611.24
  6. Step 6: Final answer
    x = 92,835.02

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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.