Home / 142,233.88-213,381.99-53,487.36

Finding the Fourth Proportional to 142,233.88, 213,381.99 and 53,487.36

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Solution

The fourth proportional to 142,233.88, 213,381.99 and 53,487.36 is: 80,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,233.88 : 213,381.99 = 53,487.36 : x
  2. Step 2: Convert to fraction form
    142,233.88/213,381.99 = 53,487.36/x
  3. Step 3: Cross multiply
    142,233.88x = 213,381.99 × 53,487.36
  4. Step 4: Simplify right side
    142,233.88x = 11,413,239,316.65
  5. Step 5: Solve for x
    x = 11,413,239,316.65/142,233.88
  6. Step 6: Final answer
    x = 80,242.76

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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.