Home / 143,413.08-215,148.66-60,307

Finding the Fourth Proportional to 143,413.08, 215,148.66 and 60,307

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Solution

The fourth proportional to 143,413.08, 215,148.66 and 60,307 is: 90,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,413.08 : 215,148.66 = 60,307 : x
  2. Step 2: Convert to fraction form
    143,413.08/215,148.66 = 60,307/x
  3. Step 3: Cross multiply
    143,413.08x = 215,148.66 × 60,307
  4. Step 4: Simplify right side
    143,413.08x = 12,974,970,238.62
  5. Step 5: Solve for x
    x = 12,974,970,238.62/143,413.08
  6. Step 6: Final answer
    x = 90,472.71

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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.