Home / 140,740.55-194,173.72-80,267.70

Finding the Fourth Proportional to 140,740.55, 194,173.72 and 80,267.70

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Solution

The fourth proportional to 140,740.55, 194,173.72 and 80,267.70 is: 110,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,740.55 : 194,173.72 = 80,267.70 : x
  2. Step 2: Convert to fraction form
    140,740.55/194,173.72 = 80,267.70/x
  3. Step 3: Cross multiply
    140,740.55x = 194,173.72 × 80,267.70
  4. Step 4: Simplify right side
    140,740.55x = 15,585,877,904.84
  5. Step 5: Solve for x
    x = 15,585,877,904.84/140,740.55
  6. Step 6: Final answer
    x = 110,741.91

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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.