Home / 130,719.78-196,112.46-37,225.50

Finding the Fourth Proportional to 130,719.78, 196,112.46 and 37,225.50

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Solution

The fourth proportional to 130,719.78, 196,112.46 and 37,225.50 is: 55,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,719.78 : 196,112.46 = 37,225.50 : x
  2. Step 2: Convert to fraction form
    130,719.78/196,112.46 = 37,225.50/x
  3. Step 3: Cross multiply
    130,719.78x = 196,112.46 × 37,225.50
  4. Step 4: Simplify right side
    130,719.78x = 7,300,384,379.73
  5. Step 5: Solve for x
    x = 7,300,384,379.73/130,719.78
  6. Step 6: Final answer
    x = 55,847.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.