Home / 109,090.85-150,563.85-63,143.83

Finding the Fourth Proportional to 109,090.85, 150,563.85 and 63,143.83

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Solution

The fourth proportional to 109,090.85, 150,563.85 and 63,143.83 is: 87,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,090.85 : 150,563.85 = 63,143.83 : x
  2. Step 2: Convert to fraction form
    109,090.85/150,563.85 = 63,143.83/x
  3. Step 3: Cross multiply
    109,090.85x = 150,563.85 × 63,143.83
  4. Step 4: Simplify right side
    109,090.85x = 9,507,177,080.01
  5. Step 5: Solve for x
    x = 9,507,177,080.01/109,090.85
  6. Step 6: Final answer
    x = 87,149.17

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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.