Home / 250,591.12-345,815.40-137,413.84

Finding the Fourth Proportional to 250,591.12, 345,815.40 and 137,413.84

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Solution

The fourth proportional to 250,591.12, 345,815.40 and 137,413.84 is: 189,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,591.12 : 345,815.40 = 137,413.84 : x
  2. Step 2: Convert to fraction form
    250,591.12/345,815.40 = 137,413.84/x
  3. Step 3: Cross multiply
    250,591.12x = 345,815.40 × 137,413.84
  4. Step 4: Simplify right side
    250,591.12x = 47,519,822,045.14
  5. Step 5: Solve for x
    x = 47,519,822,045.14/250,591.12
  6. Step 6: Final answer
    x = 189,630.91

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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.