Home / 149,027.27-223,639.38-70,164.05

Finding the Fourth Proportional to 149,027.27, 223,639.38 and 70,164.05

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Solution

The fourth proportional to 149,027.27, 223,639.38 and 70,164.05 is: 105,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.27 : 223,639.38 = 70,164.05 : x
  2. Step 2: Convert to fraction form
    149,027.27/223,639.38 = 70,164.05/x
  3. Step 3: Cross multiply
    149,027.27x = 223,639.38 × 70,164.05
  4. Step 4: Simplify right side
    149,027.27x = 15,691,443,522.09
  5. Step 5: Solve for x
    x = 15,691,443,522.09/149,027.27
  6. Step 6: Final answer
    x = 105,292.43

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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.