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Finding the Fourth Proportional to 184,185.05, 254,175.01 and 103,612.64

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Solution

The fourth proportional to 184,185.05, 254,175.01 and 103,612.64 is: 142,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,185.05 : 254,175.01 = 103,612.64 : x
  2. Step 2: Convert to fraction form
    184,185.05/254,175.01 = 103,612.64/x
  3. Step 3: Cross multiply
    184,185.05x = 254,175.01 × 103,612.64
  4. Step 4: Simplify right side
    184,185.05x = 26,335,743,808.13
  5. Step 5: Solve for x
    x = 26,335,743,808.13/184,185.05
  6. Step 6: Final answer
    x = 142,985.24

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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.