Home / 130,975.26-196,499.16-52,144.85

Finding the Fourth Proportional to 130,975.26, 196,499.16 and 52,144.85

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Solution

The fourth proportional to 130,975.26, 196,499.16 and 52,144.85 is: 78,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,975.26 : 196,499.16 = 52,144.85 : x
  2. Step 2: Convert to fraction form
    130,975.26/196,499.16 = 52,144.85/x
  3. Step 3: Cross multiply
    130,975.26x = 196,499.16 × 52,144.85
  4. Step 4: Simplify right side
    130,975.26x = 10,246,417,980.11
  5. Step 5: Solve for x
    x = 10,246,417,980.11/130,975.26
  6. Step 6: Final answer
    x = 78,231.71

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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.