Home / 108,860.56-150,219.27-61,104.68

Finding the Fourth Proportional to 108,860.56, 150,219.27 and 61,104.68

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Solution

The fourth proportional to 108,860.56, 150,219.27 and 61,104.68 is: 84,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860.56 : 150,219.27 = 61,104.68 : x
  2. Step 2: Convert to fraction form
    108,860.56/150,219.27 = 61,104.68/x
  3. Step 3: Cross multiply
    108,860.56x = 150,219.27 × 61,104.68
  4. Step 4: Simplify right side
    108,860.56x = 9,179,100,423.18
  5. Step 5: Solve for x
    x = 9,179,100,423.18/108,860.56
  6. Step 6: Final answer
    x = 84,319.80

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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.