Home / 130,811.60-196,163.64-51,914.96

Finding the Fourth Proportional to 130,811.60, 196,163.64 and 51,914.96

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Solution

The fourth proportional to 130,811.60, 196,163.64 and 51,914.96 is: 77,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811.60 : 196,163.64 = 51,914.96 : x
  2. Step 2: Convert to fraction form
    130,811.60/196,163.64 = 51,914.96/x
  3. Step 3: Cross multiply
    130,811.60x = 196,163.64 × 51,914.96
  4. Step 4: Simplify right side
    130,811.60x = 10,183,827,524.05
  5. Step 5: Solve for x
    x = 10,183,827,524.05/130,811.60
  6. Step 6: Final answer
    x = 77,851.10

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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.