Home / 108,837.78-163,319.66-45,652.21

Finding the Fourth Proportional to 108,837.78, 163,319.66 and 45,652.21

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Solution

The fourth proportional to 108,837.78, 163,319.66 and 45,652.21 is: 68,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.78 : 163,319.66 = 45,652.21 : x
  2. Step 2: Convert to fraction form
    108,837.78/163,319.66 = 45,652.21/x
  3. Step 3: Cross multiply
    108,837.78x = 163,319.66 × 45,652.21
  4. Step 4: Simplify right side
    108,837.78x = 7,455,902,950.08
  5. Step 5: Solve for x
    x = 7,455,902,950.08/108,837.78
  6. Step 6: Final answer
    x = 68,504.73

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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.