Home / 289,680.08-434,413.56-100,092.32

Finding the Fourth Proportional to 289,680.08, 434,413.56 and 100,092.32

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Solution

The fourth proportional to 289,680.08, 434,413.56 and 100,092.32 is: 150,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,680.08 : 434,413.56 = 100,092.32 : x
  2. Step 2: Convert to fraction form
    289,680.08/434,413.56 = 100,092.32/x
  3. Step 3: Cross multiply
    289,680.08x = 434,413.56 × 100,092.32
  4. Step 4: Simplify right side
    289,680.08x = 43,481,461,059.86
  5. Step 5: Solve for x
    x = 43,481,461,059.86/289,680.08
  6. Step 6: Final answer
    x = 150,101.66

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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.