Home / 108,986.56-150,402.24-61,240

Finding the Fourth Proportional to 108,986.56, 150,402.24 and 61,240

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Solution

The fourth proportional to 108,986.56, 150,402.24 and 61,240 is: 84,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,986.56 : 150,402.24 = 61,240 : x
  2. Step 2: Convert to fraction form
    108,986.56/150,402.24 = 61,240/x
  3. Step 3: Cross multiply
    108,986.56x = 150,402.24 × 61,240
  4. Step 4: Simplify right side
    108,986.56x = 9,210,633,177.60
  5. Step 5: Solve for x
    x = 9,210,633,177.60/108,986.56
  6. Step 6: Final answer
    x = 84,511.64

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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.