Home / 190,542.48-285,824.94-64,172.16

Finding the Fourth Proportional to 190,542.48, 285,824.94 and 64,172.16

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Solution

The fourth proportional to 190,542.48, 285,824.94 and 64,172.16 is: 96,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,542.48 : 285,824.94 = 64,172.16 : x
  2. Step 2: Convert to fraction form
    190,542.48/285,824.94 = 64,172.16/x
  3. Step 3: Cross multiply
    190,542.48x = 285,824.94 × 64,172.16
  4. Step 4: Simplify right side
    190,542.48x = 18,342,003,781.67
  5. Step 5: Solve for x
    x = 18,342,003,781.67/190,542.48
  6. Step 6: Final answer
    x = 96,262.02

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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.