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Finding the Fourth Proportional to 184,641.39, 254,805.30 and 99,758.64

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Solution

The fourth proportional to 184,641.39, 254,805.30 and 99,758.64 is: 137,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,641.39 : 254,805.30 = 99,758.64 : x
  2. Step 2: Convert to fraction form
    184,641.39/254,805.30 = 99,758.64/x
  3. Step 3: Cross multiply
    184,641.39x = 254,805.30 × 99,758.64
  4. Step 4: Simplify right side
    184,641.39x = 25,419,030,192.79
  5. Step 5: Solve for x
    x = 25,419,030,192.79/184,641.39
  6. Step 6: Final answer
    x = 137,667.02

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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.