Home / 165,413.69-248,146.50-70,644.36

Finding the Fourth Proportional to 165,413.69, 248,146.50 and 70,644.36

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Solution

The fourth proportional to 165,413.69, 248,146.50 and 70,644.36 is: 105,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,413.69 : 248,146.50 = 70,644.36 : x
  2. Step 2: Convert to fraction form
    165,413.69/248,146.50 = 70,644.36/x
  3. Step 3: Cross multiply
    165,413.69x = 248,146.50 × 70,644.36
  4. Step 4: Simplify right side
    165,413.69x = 17,530,150,678.74
  5. Step 5: Solve for x
    x = 17,530,150,678.74/165,413.69
  6. Step 6: Final answer
    x = 105,977.63

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1.5x scale

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.