Home / 106,413.12-146,849.28-58,666.44

Finding the Fourth Proportional to 106,413.12, 146,849.28 and 58,666.44

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Solution

The fourth proportional to 106,413.12, 146,849.28 and 58,666.44 is: 80,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,413.12 : 146,849.28 = 58,666.44 : x
  2. Step 2: Convert to fraction form
    106,413.12/146,849.28 = 58,666.44/x
  3. Step 3: Cross multiply
    106,413.12x = 146,849.28 × 58,666.44
  4. Step 4: Simplify right side
    106,413.12x = 8,615,124,474.16
  5. Step 5: Solve for x
    x = 8,615,124,474.16/106,413.12
  6. Step 6: Final answer
    x = 80,959.23

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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.