Home / 88,192.22-121,706.57-49,950.82

Finding the Fourth Proportional to 88,192.22, 121,706.57 and 49,950.82

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Solution

The fourth proportional to 88,192.22, 121,706.57 and 49,950.82 is: 68,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.22 : 121,706.57 = 49,950.82 : x
  2. Step 2: Convert to fraction form
    88,192.22/121,706.57 = 49,950.82/x
  3. Step 3: Cross multiply
    88,192.22x = 121,706.57 × 49,950.82
  4. Step 4: Simplify right side
    88,192.22x = 6,079,342,791.50
  5. Step 5: Solve for x
    x = 6,079,342,791.50/88,192.22
  6. Step 6: Final answer
    x = 68,932.87

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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.