Home / 168,413.90-251,387.76-148,485.38

Finding the Fourth Proportional to 168,413.90, 251,387.76 and 148,485.38

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Solution

The fourth proportional to 168,413.90, 251,387.76 and 148,485.38 is: 221,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,413.90 : 251,387.76 = 148,485.38 : x
  2. Step 2: Convert to fraction form
    168,413.90/251,387.76 = 148,485.38/x
  3. Step 3: Cross multiply
    168,413.90x = 251,387.76 × 148,485.38
  4. Step 4: Simplify right side
    168,413.90x = 37,327,407,070.95
  5. Step 5: Solve for x
    x = 37,327,407,070.95/168,413.90
  6. Step 6: Final answer
    x = 221,640.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.