Home / 142,232.88-213,380.49-53,486.36

Finding the Fourth Proportional to 142,232.88, 213,380.49 and 53,486.36

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Solution

The fourth proportional to 142,232.88, 213,380.49 and 53,486.36 is: 80,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,232.88 : 213,380.49 = 53,486.36 : x
  2. Step 2: Convert to fraction form
    142,232.88/213,380.49 = 53,486.36/x
  3. Step 3: Cross multiply
    142,232.88x = 213,380.49 × 53,486.36
  4. Step 4: Simplify right side
    142,232.88x = 11,412,944,638.21
  5. Step 5: Solve for x
    x = 11,412,944,638.21/142,232.88
  6. Step 6: Final answer
    x = 80,241.25

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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.