Home / 108,986.85-150,405.66-61,239.24

Finding the Fourth Proportional to 108,986.85, 150,405.66 and 61,239.24

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Solution

The fourth proportional to 108,986.85, 150,405.66 and 61,239.24 is: 84,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,986.85 : 150,405.66 = 61,239.24 : x
  2. Step 2: Convert to fraction form
    108,986.85/150,405.66 = 61,239.24/x
  3. Step 3: Cross multiply
    108,986.85x = 150,405.66 × 61,239.24
  4. Step 4: Simplify right side
    108,986.85x = 9,210,728,310.10
  5. Step 5: Solve for x
    x = 9,210,728,310.10/108,986.85
  6. Step 6: Final answer
    x = 84,512.29

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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.