Home / 142,747.48-214,131.84-42,899.68

Finding the Fourth Proportional to 142,747.48, 214,131.84 and 42,899.68

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Solution

The fourth proportional to 142,747.48, 214,131.84 and 42,899.68 is: 64,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,747.48 : 214,131.84 = 42,899.68 : x
  2. Step 2: Convert to fraction form
    142,747.48/214,131.84 = 42,899.68/x
  3. Step 3: Cross multiply
    142,747.48x = 214,131.84 × 42,899.68
  4. Step 4: Simplify right side
    142,747.48x = 9,186,187,413.81
  5. Step 5: Solve for x
    x = 9,186,187,413.81/142,747.48
  6. Step 6: Final answer
    x = 64,352.71

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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.