Home / 132,014.43-182,140.11-80,974.71

Finding the Fourth Proportional to 132,014.43, 182,140.11 and 80,974.71

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Solution

The fourth proportional to 132,014.43, 182,140.11 and 80,974.71 is: 111,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,014.43 : 182,140.11 = 80,974.71 : x
  2. Step 2: Convert to fraction form
    132,014.43/182,140.11 = 80,974.71/x
  3. Step 3: Cross multiply
    132,014.43x = 182,140.11 × 80,974.71
  4. Step 4: Simplify right side
    132,014.43x = 14,748,742,586.62
  5. Step 5: Solve for x
    x = 14,748,742,586.62/132,014.43
  6. Step 6: Final answer
    x = 111,720.69

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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.