Home / 115,127.96-171,847.54-106,685.26

Finding the Fourth Proportional to 115,127.96, 171,847.54 and 106,685.26

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Solution

The fourth proportional to 115,127.96, 171,847.54 and 106,685.26 is: 159,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,127.96 : 171,847.54 = 106,685.26 : x
  2. Step 2: Convert to fraction form
    115,127.96/171,847.54 = 106,685.26/x
  3. Step 3: Cross multiply
    115,127.96x = 171,847.54 × 106,685.26
  4. Step 4: Simplify right side
    115,127.96x = 18,333,598,626.02
  5. Step 5: Solve for x
    x = 18,333,598,626.02/115,127.96
  6. Step 6: Final answer
    x = 159,245.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.