Home / 132,007.28-182,096.52-78,240.56

Finding the Fourth Proportional to 132,007.28, 182,096.52 and 78,240.56

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Solution

The fourth proportional to 132,007.28, 182,096.52 and 78,240.56 is: 107,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,007.28 : 182,096.52 = 78,240.56 : x
  2. Step 2: Convert to fraction form
    132,007.28/182,096.52 = 78,240.56/x
  3. Step 3: Cross multiply
    132,007.28x = 182,096.52 × 78,240.56
  4. Step 4: Simplify right side
    132,007.28x = 14,247,333,698.85
  5. Step 5: Solve for x
    x = 14,247,333,698.85/132,007.28
  6. Step 6: Final answer
    x = 107,928.39

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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.