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Finding the Fourth Proportional to 108,858.56, 150,216.51 and 61,102.68

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Solution

The fourth proportional to 108,858.56, 150,216.51 and 61,102.68 is: 84,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.56 : 150,216.51 = 61,102.68 : x
  2. Step 2: Convert to fraction form
    108,858.56/150,216.51 = 61,102.68/x
  3. Step 3: Cross multiply
    108,858.56x = 150,216.51 × 61,102.68
  4. Step 4: Simplify right side
    108,858.56x = 9,178,631,007.07
  5. Step 5: Solve for x
    x = 9,178,631,007.07/108,858.56
  6. Step 6: Final answer
    x = 84,317.04

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1.5x scale

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.