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Finding the Fourth Proportional to 123,090, 184,634.64 and 95,051.04

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Solution

The fourth proportional to 123,090, 184,634.64 and 95,051.04 is: 142,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090 : 184,634.64 = 95,051.04 : x
  2. Step 2: Convert to fraction form
    123,090/184,634.64 = 95,051.04/x
  3. Step 3: Cross multiply
    123,090x = 184,634.64 × 95,051.04
  4. Step 4: Simplify right side
    123,090x = 17,549,714,552.03
  5. Step 5: Solve for x
    x = 17,549,714,552.03/123,090
  6. Step 6: Final answer
    x = 142,576.28

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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.