Home / 141,424.17-195,163.77-105,287.19

Finding the Fourth Proportional to 141,424.17, 195,163.77 and 105,287.19

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Solution

The fourth proportional to 141,424.17, 195,163.77 and 105,287.19 is: 145,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424.17 : 195,163.77 = 105,287.19 : x
  2. Step 2: Convert to fraction form
    141,424.17/195,163.77 = 105,287.19/x
  3. Step 3: Cross multiply
    141,424.17x = 195,163.77 × 105,287.19
  4. Step 4: Simplify right side
    141,424.17x = 20,548,244,933.11
  5. Step 5: Solve for x
    x = 20,548,244,933.11/141,424.17
  6. Step 6: Final answer
    x = 145,295.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.