Home / 91,446.21-126,238.91-68,793.83

Finding the Fourth Proportional to 91,446.21, 126,238.91 and 68,793.83

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Solution

The fourth proportional to 91,446.21, 126,238.91 and 68,793.83 is: 94,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,446.21 : 126,238.91 = 68,793.83 : x
  2. Step 2: Convert to fraction form
    91,446.21/126,238.91 = 68,793.83/x
  3. Step 3: Cross multiply
    91,446.21x = 126,238.91 × 68,793.83
  4. Step 4: Simplify right side
    91,446.21x = 8,684,458,113.93
  5. Step 5: Solve for x
    x = 8,684,458,113.93/91,446.21
  6. Step 6: Final answer
    x = 94,967.94

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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.