Home / 130,051.20-195,028.20-51,149.10

Finding the Fourth Proportional to 130,051.20, 195,028.20 and 51,149.10

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Solution

The fourth proportional to 130,051.20, 195,028.20 and 51,149.10 is: 76,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,051.20 : 195,028.20 = 51,149.10 : x
  2. Step 2: Convert to fraction form
    130,051.20/195,028.20 = 51,149.10/x
  3. Step 3: Cross multiply
    130,051.20x = 195,028.20 × 51,149.10
  4. Step 4: Simplify right side
    130,051.20x = 9,975,516,904.62
  5. Step 5: Solve for x
    x = 9,975,516,904.62/130,051.20
  6. Step 6: Final answer
    x = 76,704.54

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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.