Home / 89,238.33-133,814.43-51,807.82

Finding the Fourth Proportional to 89,238.33, 133,814.43 and 51,807.82

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Solution

The fourth proportional to 89,238.33, 133,814.43 and 51,807.82 is: 77,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,238.33 : 133,814.43 = 51,807.82 : x
  2. Step 2: Convert to fraction form
    89,238.33/133,814.43 = 51,807.82/x
  3. Step 3: Cross multiply
    89,238.33x = 133,814.43 × 51,807.82
  4. Step 4: Simplify right side
    89,238.33x = 6,932,633,902.84
  5. Step 5: Solve for x
    x = 6,932,633,902.84/89,238.33
  6. Step 6: Final answer
    x = 77,686.73

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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.