Home / 143,299.25-214,953.66-64,413.71

Finding the Fourth Proportional to 143,299.25, 214,953.66 and 64,413.71

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Solution

The fourth proportional to 143,299.25, 214,953.66 and 64,413.71 is: 96,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.25 : 214,953.66 = 64,413.71 : x
  2. Step 2: Convert to fraction form
    143,299.25/214,953.66 = 64,413.71/x
  3. Step 3: Cross multiply
    143,299.25x = 214,953.66 × 64,413.71
  4. Step 4: Simplify right side
    143,299.25x = 13,845,961,643.91
  5. Step 5: Solve for x
    x = 13,845,961,643.91/143,299.25
  6. Step 6: Final answer
    x = 96,622.71

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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.