Home / 190,020.51-284,997.96-56,865.02

Finding the Fourth Proportional to 190,020.51, 284,997.96 and 56,865.02

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Solution

The fourth proportional to 190,020.51, 284,997.96 and 56,865.02 is: 85,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,020.51 : 284,997.96 = 56,865.02 : x
  2. Step 2: Convert to fraction form
    190,020.51/284,997.96 = 56,865.02/x
  3. Step 3: Cross multiply
    190,020.51x = 284,997.96 × 56,865.02
  4. Step 4: Simplify right side
    190,020.51x = 16,206,413,270.37
  5. Step 5: Solve for x
    x = 16,206,413,270.37/190,020.51
  6. Step 6: Final answer
    x = 85,287.71

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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.