Home / 140,305.46-193,614.30-76,630.95

Finding the Fourth Proportional to 140,305.46, 193,614.30 and 76,630.95

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Solution

The fourth proportional to 140,305.46, 193,614.30 and 76,630.95 is: 105,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,305.46 : 193,614.30 = 76,630.95 : x
  2. Step 2: Convert to fraction form
    140,305.46/193,614.30 = 76,630.95/x
  3. Step 3: Cross multiply
    140,305.46x = 193,614.30 × 76,630.95
  4. Step 4: Simplify right side
    140,305.46x = 14,836,847,742.59
  5. Step 5: Solve for x
    x = 14,836,847,742.59/140,305.46
  6. Step 6: Final answer
    x = 105,746.76

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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.