Home / 149,471.21-223,957.70-105,018.38

Finding the Fourth Proportional to 149,471.21, 223,957.70 and 105,018.38

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Solution

The fourth proportional to 149,471.21, 223,957.70 and 105,018.38 is: 157,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471.21 : 223,957.70 = 105,018.38 : x
  2. Step 2: Convert to fraction form
    149,471.21/223,957.70 = 105,018.38/x
  3. Step 3: Cross multiply
    149,471.21x = 223,957.70 × 105,018.38
  4. Step 4: Simplify right side
    149,471.21x = 23,519,673,197.65
  5. Step 5: Solve for x
    x = 23,519,673,197.65/149,471.21
  6. Step 6: Final answer
    x = 157,352.54

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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.