Home / 149,028.14-223,640.70-70,164.92

Finding the Fourth Proportional to 149,028.14, 223,640.70 and 70,164.92

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Solution

The fourth proportional to 149,028.14, 223,640.70 and 70,164.92 is: 105,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.14 : 223,640.70 = 70,164.92 : x
  2. Step 2: Convert to fraction form
    149,028.14/223,640.70 = 70,164.92/x
  3. Step 3: Cross multiply
    149,028.14x = 223,640.70 × 70,164.92
  4. Step 4: Simplify right side
    149,028.14x = 15,691,731,473.42
  5. Step 5: Solve for x
    x = 15,691,731,473.42/149,028.14
  6. Step 6: Final answer
    x = 105,293.75

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1.5x scale

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.