Home / 272,017.10-407,910.45-131,818.70

Finding the Fourth Proportional to 272,017.10, 407,910.45 and 131,818.70

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Solution

The fourth proportional to 272,017.10, 407,910.45 and 131,818.70 is: 197,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,017.10 : 407,910.45 = 131,818.70 : x
  2. Step 2: Convert to fraction form
    272,017.10/407,910.45 = 131,818.70/x
  3. Step 3: Cross multiply
    272,017.10x = 407,910.45 × 131,818.70
  4. Step 4: Simplify right side
    272,017.10x = 53,770,225,235.42
  5. Step 5: Solve for x
    x = 53,770,225,235.42/272,017.10
  6. Step 6: Final answer
    x = 197,672.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.