Home / 155,413.42-214,470.85-91,755.32

Finding the Fourth Proportional to 155,413.42, 214,470.85 and 91,755.32

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Solution

The fourth proportional to 155,413.42, 214,470.85 and 91,755.32 is: 126,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,413.42 : 214,470.85 = 91,755.32 : x
  2. Step 2: Convert to fraction form
    155,413.42/214,470.85 = 91,755.32/x
  3. Step 3: Cross multiply
    155,413.42x = 214,470.85 × 91,755.32
  4. Step 4: Simplify right side
    155,413.42x = 19,678,841,319.03
  5. Step 5: Solve for x
    x = 19,678,841,319.03/155,413.42
  6. Step 6: Final answer
    x = 126,622.53

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1.5x scale

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.