Home / 142,063.77-213,039.99-53,268.87

Finding the Fourth Proportional to 142,063.77, 213,039.99 and 53,268.87

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Solution

The fourth proportional to 142,063.77, 213,039.99 and 53,268.87 is: 79,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,063.77 : 213,039.99 = 53,268.87 : x
  2. Step 2: Convert to fraction form
    142,063.77/213,039.99 = 53,268.87/x
  3. Step 3: Cross multiply
    142,063.77x = 213,039.99 × 53,268.87
  4. Step 4: Simplify right side
    142,063.77x = 11,348,399,532.11
  5. Step 5: Solve for x
    x = 11,348,399,532.11/142,063.77
  6. Step 6: Final answer
    x = 79,882.43

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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.