Home / 130,891.78-196,225.22-45,491.55

Finding the Fourth Proportional to 130,891.78, 196,225.22 and 45,491.55

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Solution

The fourth proportional to 130,891.78, 196,225.22 and 45,491.55 is: 68,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,891.78 : 196,225.22 = 45,491.55 : x
  2. Step 2: Convert to fraction form
    130,891.78/196,225.22 = 45,491.55/x
  3. Step 3: Cross multiply
    130,891.78x = 196,225.22 × 45,491.55
  4. Step 4: Simplify right side
    130,891.78x = 8,926,588,784.78
  5. Step 5: Solve for x
    x = 8,926,588,784.78/130,891.78
  6. Step 6: Final answer
    x = 68,198.24

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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.