Home / 154,054-230,413.92-90,723.16

Finding the Fourth Proportional to 154,054, 230,413.92 and 90,723.16

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Solution

The fourth proportional to 154,054, 230,413.92 and 90,723.16 is: 135,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,054 : 230,413.92 = 90,723.16 : x
  2. Step 2: Convert to fraction form
    154,054/230,413.92 = 90,723.16/x
  3. Step 3: Cross multiply
    154,054x = 230,413.92 × 90,723.16
  4. Step 4: Simplify right side
    154,054x = 20,903,878,930.39
  5. Step 5: Solve for x
    x = 20,903,878,930.39/154,054
  6. Step 6: Final answer
    x = 135,691.89

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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.