Home / 144,951.32-217,447.48-45,121.60

Finding the Fourth Proportional to 144,951.32, 217,447.48 and 45,121.60

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Solution

The fourth proportional to 144,951.32, 217,447.48 and 45,121.60 is: 67,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.32 : 217,447.48 = 45,121.60 : x
  2. Step 2: Convert to fraction form
    144,951.32/217,447.48 = 45,121.60/x
  3. Step 3: Cross multiply
    144,951.32x = 217,447.48 × 45,121.60
  4. Step 4: Simplify right side
    144,951.32x = 9,811,577,782.75
  5. Step 5: Solve for x
    x = 9,811,577,782.75/144,951.32
  6. Step 6: Final answer
    x = 67,688.78

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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.