Home / 132,008.28-182,097.90-78,241.56

Finding the Fourth Proportional to 132,008.28, 182,097.90 and 78,241.56

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Solution

The fourth proportional to 132,008.28, 182,097.90 and 78,241.56 is: 107,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,008.28 : 182,097.90 = 78,241.56 : x
  2. Step 2: Convert to fraction form
    132,008.28/182,097.90 = 78,241.56/x
  3. Step 3: Cross multiply
    132,008.28x = 182,097.90 × 78,241.56
  4. Step 4: Simplify right side
    132,008.28x = 14,247,623,768.72
  5. Step 5: Solve for x
    x = 14,247,623,768.72/132,008.28
  6. Step 6: Final answer
    x = 107,929.77

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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.