Home / 190,052.88-285,144.52-71,758.04

Finding the Fourth Proportional to 190,052.88, 285,144.52 and 71,758.04

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Solution

The fourth proportional to 190,052.88, 285,144.52 and 71,758.04 is: 107,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,052.88 : 285,144.52 = 71,758.04 : x
  2. Step 2: Convert to fraction form
    190,052.88/285,144.52 = 71,758.04/x
  3. Step 3: Cross multiply
    190,052.88x = 285,144.52 × 71,758.04
  4. Step 4: Simplify right side
    190,052.88x = 20,461,411,871.94
  5. Step 5: Solve for x
    x = 20,461,411,871.94/190,052.88
  6. Step 6: Final answer
    x = 107,661.68

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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.