Home / 130,500.56-179,919.42-94,171.52

Finding the Fourth Proportional to 130,500.56, 179,919.42 and 94,171.52

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Solution

The fourth proportional to 130,500.56, 179,919.42 and 94,171.52 is: 129,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500.56 : 179,919.42 = 94,171.52 : x
  2. Step 2: Convert to fraction form
    130,500.56/179,919.42 = 94,171.52/x
  3. Step 3: Cross multiply
    130,500.56x = 179,919.42 × 94,171.52
  4. Step 4: Simplify right side
    130,500.56x = 16,943,285,258.92
  5. Step 5: Solve for x
    x = 16,943,285,258.92/130,500.56
  6. Step 6: Final answer
    x = 129,833.05

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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.