Home / 132,039.40-182,226.90-75,439.84

Finding the Fourth Proportional to 132,039.40, 182,226.90 and 75,439.84

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Solution

The fourth proportional to 132,039.40, 182,226.90 and 75,439.84 is: 104,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,039.40 : 182,226.90 = 75,439.84 : x
  2. Step 2: Convert to fraction form
    132,039.40/182,226.90 = 75,439.84/x
  3. Step 3: Cross multiply
    132,039.40x = 182,226.90 × 75,439.84
  4. Step 4: Simplify right side
    132,039.40x = 13,747,168,179.70
  5. Step 5: Solve for x
    x = 13,747,168,179.70/132,039.40
  6. Step 6: Final answer
    x = 104,114.14

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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.