Home / 142,170.26-213,317.62-67,343.81

Finding the Fourth Proportional to 142,170.26, 213,317.62 and 67,343.81

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Solution

The fourth proportional to 142,170.26, 213,317.62 and 67,343.81 is: 101,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,170.26 : 213,317.62 = 67,343.81 : x
  2. Step 2: Convert to fraction form
    142,170.26/213,317.62 = 67,343.81/x
  3. Step 3: Cross multiply
    142,170.26x = 213,317.62 × 67,343.81
  4. Step 4: Simplify right side
    142,170.26x = 14,365,620,035.98
  5. Step 5: Solve for x
    x = 14,365,620,035.98/142,170.26
  6. Step 6: Final answer
    x = 101,045.19

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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.