Home / 188,413.02-282,590.10-122,321.88

Finding the Fourth Proportional to 188,413.02, 282,590.10 and 122,321.88

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Solution

The fourth proportional to 188,413.02, 282,590.10 and 122,321.88 is: 183,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,413.02 : 282,590.10 = 122,321.88 : x
  2. Step 2: Convert to fraction form
    188,413.02/282,590.10 = 122,321.88/x
  3. Step 3: Cross multiply
    188,413.02x = 282,590.10 × 122,321.88
  4. Step 4: Simplify right side
    188,413.02x = 34,566,952,301.39
  5. Step 5: Solve for x
    x = 34,566,952,301.39/188,413.02
  6. Step 6: Final answer
    x = 183,463.71

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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.