Home / 192,262.24-287,825.40-142,008.64

Finding the Fourth Proportional to 192,262.24, 287,825.40 and 142,008.64

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Solution

The fourth proportional to 192,262.24, 287,825.40 and 142,008.64 is: 212,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,262.24 : 287,825.40 = 142,008.64 : x
  2. Step 2: Convert to fraction form
    192,262.24/287,825.40 = 142,008.64/x
  3. Step 3: Cross multiply
    192,262.24x = 287,825.40 × 142,008.64
  4. Step 4: Simplify right side
    192,262.24x = 40,873,693,611.46
  5. Step 5: Solve for x
    x = 40,873,693,611.46/192,262.24
  6. Step 6: Final answer
    x = 212,593.45

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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.