Home / 189,384.25-284,002.57-70,991.01

Finding the Fourth Proportional to 189,384.25, 284,002.57 and 70,991.01

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Solution

The fourth proportional to 189,384.25, 284,002.57 and 70,991.01 is: 106,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,384.25 : 284,002.57 = 70,991.01 : x
  2. Step 2: Convert to fraction form
    189,384.25/284,002.57 = 70,991.01/x
  3. Step 3: Cross multiply
    189,384.25x = 284,002.57 × 70,991.01
  4. Step 4: Simplify right side
    189,384.25x = 20,161,629,286.90
  5. Step 5: Solve for x
    x = 20,161,629,286.90/189,384.25
  6. Step 6: Final answer
    x = 106,458.85

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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.