Home / 121,519.69-182,279.54-38,413.69

Finding the Fourth Proportional to 121,519.69, 182,279.54 and 38,413.69

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Solution

The fourth proportional to 121,519.69, 182,279.54 and 38,413.69 is: 57,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519.69 : 182,279.54 = 38,413.69 : x
  2. Step 2: Convert to fraction form
    121,519.69/182,279.54 = 38,413.69/x
  3. Step 3: Cross multiply
    121,519.69x = 182,279.54 × 38,413.69
  4. Step 4: Simplify right side
    121,519.69x = 7,002,029,383.24
  5. Step 5: Solve for x
    x = 7,002,029,383.24/121,519.69
  6. Step 6: Final answer
    x = 57,620.53

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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.