Home / 108,485.16-162,775.62-37,418.64

Finding the Fourth Proportional to 108,485.16, 162,775.62 and 37,418.64

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Solution

The fourth proportional to 108,485.16, 162,775.62 and 37,418.64 is: 56,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,485.16 : 162,775.62 = 37,418.64 : x
  2. Step 2: Convert to fraction form
    108,485.16/162,775.62 = 37,418.64/x
  3. Step 3: Cross multiply
    108,485.16x = 162,775.62 × 37,418.64
  4. Step 4: Simplify right side
    108,485.16x = 6,090,842,325.56
  5. Step 5: Solve for x
    x = 6,090,842,325.56/108,485.16
  6. Step 6: Final answer
    x = 56,144.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.