Home / 131,113.85-180,871.61-82,775.68

Finding the Fourth Proportional to 131,113.85, 180,871.61 and 82,775.68

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Solution

The fourth proportional to 131,113.85, 180,871.61 and 82,775.68 is: 114,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,113.85 : 180,871.61 = 82,775.68 : x
  2. Step 2: Convert to fraction form
    131,113.85/180,871.61 = 82,775.68/x
  3. Step 3: Cross multiply
    131,113.85x = 180,871.61 × 82,775.68
  4. Step 4: Simplify right side
    131,113.85x = 14,971,770,096.57
  5. Step 5: Solve for x
    x = 14,971,770,096.57/131,113.85
  6. Step 6: Final answer
    x = 114,189.08

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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.