Home / 145,361.48-218,035.68-50,658.44

Finding the Fourth Proportional to 145,361.48, 218,035.68 and 50,658.44

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Solution

The fourth proportional to 145,361.48, 218,035.68 and 50,658.44 is: 75,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,361.48 : 218,035.68 = 50,658.44 : x
  2. Step 2: Convert to fraction form
    145,361.48/218,035.68 = 50,658.44/x
  3. Step 3: Cross multiply
    145,361.48x = 218,035.68 × 50,658.44
  4. Step 4: Simplify right side
    145,361.48x = 11,045,347,413.14
  5. Step 5: Solve for x
    x = 11,045,347,413.14/145,361.48
  6. Step 6: Final answer
    x = 75,985.38

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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.