Home / 124,169.22-171,413.01-76,463.46

Finding the Fourth Proportional to 124,169.22, 171,413.01 and 76,463.46

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Solution

The fourth proportional to 124,169.22, 171,413.01 and 76,463.46 is: 105,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.22 : 171,413.01 = 76,463.46 : x
  2. Step 2: Convert to fraction form
    124,169.22/171,413.01 = 76,463.46/x
  3. Step 3: Cross multiply
    124,169.22x = 171,413.01 × 76,463.46
  4. Step 4: Simplify right side
    124,169.22x = 13,106,831,833.61
  5. Step 5: Solve for x
    x = 13,106,831,833.61/124,169.22
  6. Step 6: Final answer
    x = 105,556.21

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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.