Home / 142,993.96-197,355.27-79,352.26

Finding the Fourth Proportional to 142,993.96, 197,355.27 and 79,352.26

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Solution

The fourth proportional to 142,993.96, 197,355.27 and 79,352.26 is: 109,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,993.96 : 197,355.27 = 79,352.26 : x
  2. Step 2: Convert to fraction form
    142,993.96/197,355.27 = 79,352.26/x
  3. Step 3: Cross multiply
    142,993.96x = 197,355.27 × 79,352.26
  4. Step 4: Simplify right side
    142,993.96x = 15,660,586,697.41
  5. Step 5: Solve for x
    x = 15,660,586,697.41/142,993.96
  6. Step 6: Final answer
    x = 109,519.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.