Home / 172,928.20-238,667.16-125,164.12

Finding the Fourth Proportional to 172,928.20, 238,667.16 and 125,164.12

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Solution

The fourth proportional to 172,928.20, 238,667.16 and 125,164.12 is: 172,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,928.20 : 238,667.16 = 125,164.12 : x
  2. Step 2: Convert to fraction form
    172,928.20/238,667.16 = 125,164.12/x
  3. Step 3: Cross multiply
    172,928.20x = 238,667.16 × 125,164.12
  4. Step 4: Simplify right side
    172,928.20x = 29,872,565,054.30
  5. Step 5: Solve for x
    x = 29,872,565,054.30/172,928.20
  6. Step 6: Final answer
    x = 172,745.48

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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.