Home / 108,840.78-163,268.73-45,637.02

Finding the Fourth Proportional to 108,840.78, 163,268.73 and 45,637.02

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Solution

The fourth proportional to 108,840.78, 163,268.73 and 45,637.02 is: 68,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,840.78 : 163,268.73 = 45,637.02 : x
  2. Step 2: Convert to fraction form
    108,840.78/163,268.73 = 45,637.02/x
  3. Step 3: Cross multiply
    108,840.78x = 163,268.73 × 45,637.02
  4. Step 4: Simplify right side
    108,840.78x = 7,451,098,296.38
  5. Step 5: Solve for x
    x = 7,451,098,296.38/108,840.78
  6. Step 6: Final answer
    x = 68,458.70

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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.