Home / 130,172.36-195,035.60-71,049.52

Finding the Fourth Proportional to 130,172.36, 195,035.60 and 71,049.52

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Solution

The fourth proportional to 130,172.36, 195,035.60 and 71,049.52 is: 106,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,172.36 : 195,035.60 = 71,049.52 : x
  2. Step 2: Convert to fraction form
    130,172.36/195,035.60 = 71,049.52/x
  3. Step 3: Cross multiply
    130,172.36x = 195,035.60 × 71,049.52
  4. Step 4: Simplify right side
    130,172.36x = 13,857,185,762.91
  5. Step 5: Solve for x
    x = 13,857,185,762.91/130,172.36
  6. Step 6: Final answer
    x = 106,452.60

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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.