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Finding the Fourth Proportional to 95,238, 131,428.44 and 52,803

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Solution

The fourth proportional to 95,238, 131,428.44 and 52,803 is: 72,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,238 : 131,428.44 = 52,803 : x
  2. Step 2: Convert to fraction form
    95,238/131,428.44 = 52,803/x
  3. Step 3: Cross multiply
    95,238x = 131,428.44 × 52,803
  4. Step 4: Simplify right side
    95,238x = 6,939,815,917.32
  5. Step 5: Solve for x
    x = 6,939,815,917.32/95,238
  6. Step 6: Final answer
    x = 72,868.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.