Home / 137,352.71-189,556.40-80,005.93

Finding the Fourth Proportional to 137,352.71, 189,556.40 and 80,005.93

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Solution

The fourth proportional to 137,352.71, 189,556.40 and 80,005.93 is: 110,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,352.71 : 189,556.40 = 80,005.93 : x
  2. Step 2: Convert to fraction form
    137,352.71/189,556.40 = 80,005.93/x
  3. Step 3: Cross multiply
    137,352.71x = 189,556.40 × 80,005.93
  4. Step 4: Simplify right side
    137,352.71x = 15,165,635,795.58
  5. Step 5: Solve for x
    x = 15,165,635,795.58/137,352.71
  6. Step 6: Final answer
    x = 110,413.81

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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.