Home / 180,682.42-271,116.12-86,019.70

Finding the Fourth Proportional to 180,682.42, 271,116.12 and 86,019.70

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Solution

The fourth proportional to 180,682.42, 271,116.12 and 86,019.70 is: 129,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,682.42 : 271,116.12 = 86,019.70 : x
  2. Step 2: Convert to fraction form
    180,682.42/271,116.12 = 86,019.70/x
  3. Step 3: Cross multiply
    180,682.42x = 271,116.12 × 86,019.70
  4. Step 4: Simplify right side
    180,682.42x = 23,321,327,307.56
  5. Step 5: Solve for x
    x = 23,321,327,307.56/180,682.42
  6. Step 6: Final answer
    x = 129,073.58

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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.