Home / 130,399.05-195,598.57-71,202.43

Finding the Fourth Proportional to 130,399.05, 195,598.57 and 71,202.43

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Solution

The fourth proportional to 130,399.05, 195,598.57 and 71,202.43 is: 106,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,399.05 : 195,598.57 = 71,202.43 : x
  2. Step 2: Convert to fraction form
    130,399.05/195,598.57 = 71,202.43/x
  3. Step 3: Cross multiply
    130,399.05x = 195,598.57 × 71,202.43
  4. Step 4: Simplify right side
    130,399.05x = 13,927,092,788.54
  5. Step 5: Solve for x
    x = 13,927,092,788.54/130,399.05
  6. Step 6: Final answer
    x = 106,803.64

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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.