Home / 131,225.60-196,794.56-42,455.36

Finding the Fourth Proportional to 131,225.60, 196,794.56 and 42,455.36

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Solution

The fourth proportional to 131,225.60, 196,794.56 and 42,455.36 is: 63,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225.60 : 196,794.56 = 42,455.36 : x
  2. Step 2: Convert to fraction form
    131,225.60/196,794.56 = 42,455.36/x
  3. Step 3: Cross multiply
    131,225.60x = 196,794.56 × 42,455.36
  4. Step 4: Simplify right side
    131,225.60x = 8,354,983,890.84
  5. Step 5: Solve for x
    x = 8,354,983,890.84/131,225.60
  6. Step 6: Final answer
    x = 63,668.86

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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.