Home / 179,869.72-248,228.26-103,413.62

Finding the Fourth Proportional to 179,869.72, 248,228.26 and 103,413.62

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Solution

The fourth proportional to 179,869.72, 248,228.26 and 103,413.62 is: 142,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,869.72 : 248,228.26 = 103,413.62 : x
  2. Step 2: Convert to fraction form
    179,869.72/248,228.26 = 103,413.62/x
  3. Step 3: Cross multiply
    179,869.72x = 248,228.26 × 103,413.62
  4. Step 4: Simplify right side
    179,869.72x = 25,670,182,952.90
  5. Step 5: Solve for x
    x = 25,670,182,952.90/179,869.72
  6. Step 6: Final answer
    x = 142,715.42

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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.