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Finding the Fourth Proportional to 184,102.40, 254,042.88 and 103,517.12

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Solution

The fourth proportional to 184,102.40, 254,042.88 and 103,517.12 is: 142,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,102.40 : 254,042.88 = 103,517.12 : x
  2. Step 2: Convert to fraction form
    184,102.40/254,042.88 = 103,517.12/x
  3. Step 3: Cross multiply
    184,102.40x = 254,042.88 × 103,517.12
  4. Step 4: Simplify right side
    184,102.40x = 26,297,787,294.11
  5. Step 5: Solve for x
    x = 26,297,787,294.11/184,102.40
  6. Step 6: Final answer
    x = 142,843.26

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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.