Home / 132,156.42-182,174.58-81,074.58

Finding the Fourth Proportional to 132,156.42, 182,174.58 and 81,074.58

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Solution

The fourth proportional to 132,156.42, 182,174.58 and 81,074.58 is: 111,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156.42 : 182,174.58 = 81,074.58 : x
  2. Step 2: Convert to fraction form
    132,156.42/182,174.58 = 81,074.58/x
  3. Step 3: Cross multiply
    132,156.42x = 182,174.58 × 81,074.58
  4. Step 4: Simplify right side
    132,156.42x = 14,769,727,560.18
  5. Step 5: Solve for x
    x = 14,769,727,560.18/132,156.42
  6. Step 6: Final answer
    x = 111,759.44

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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.