Home / 258,016.77-386,435.92-123,175.70

Finding the Fourth Proportional to 258,016.77, 386,435.92 and 123,175.70

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Solution

The fourth proportional to 258,016.77, 386,435.92 and 123,175.70 is: 184,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,016.77 : 386,435.92 = 123,175.70 : x
  2. Step 2: Convert to fraction form
    258,016.77/386,435.92 = 123,175.70/x
  3. Step 3: Cross multiply
    258,016.77x = 386,435.92 × 123,175.70
  4. Step 4: Simplify right side
    258,016.77x = 47,599,513,172.93
  5. Step 5: Solve for x
    x = 47,599,513,172.93/258,016.77
  6. Step 6: Final answer
    x = 184,482.24

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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.