Home / 94,709.70-142,086.78-28,150.38

Finding the Fourth Proportional to 94,709.70, 142,086.78 and 28,150.38

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Solution

The fourth proportional to 94,709.70, 142,086.78 and 28,150.38 is: 42,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,709.70 : 142,086.78 = 28,150.38 : x
  2. Step 2: Convert to fraction form
    94,709.70/142,086.78 = 28,150.38/x
  3. Step 3: Cross multiply
    94,709.70x = 142,086.78 × 28,150.38
  4. Step 4: Simplify right side
    94,709.70x = 3,999,796,849.98
  5. Step 5: Solve for x
    x = 3,999,796,849.98/94,709.70
  6. Step 6: Final answer
    x = 42,232.18

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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.