Home / 165,356.83-248,034.69-45,413.89

Finding the Fourth Proportional to 165,356.83, 248,034.69 and 45,413.89

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Solution

The fourth proportional to 165,356.83, 248,034.69 and 45,413.89 is: 68,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356.83 : 248,034.69 = 45,413.89 : x
  2. Step 2: Convert to fraction form
    165,356.83/248,034.69 = 45,413.89/x
  3. Step 3: Cross multiply
    165,356.83x = 248,034.69 × 45,413.89
  4. Step 4: Simplify right side
    165,356.83x = 11,264,220,127.84
  5. Step 5: Solve for x
    x = 11,264,220,127.84/165,356.83
  6. Step 6: Final answer
    x = 68,120.68

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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.