Home / 159,950.09-240,072.75-81,119.67

Finding the Fourth Proportional to 159,950.09, 240,072.75 and 81,119.67

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Solution

The fourth proportional to 159,950.09, 240,072.75 and 81,119.67 is: 121,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,950.09 : 240,072.75 = 81,119.67 : x
  2. Step 2: Convert to fraction form
    159,950.09/240,072.75 = 81,119.67/x
  3. Step 3: Cross multiply
    159,950.09x = 240,072.75 × 81,119.67
  4. Step 4: Simplify right side
    159,950.09x = 19,474,622,255.99
  5. Step 5: Solve for x
    x = 19,474,622,255.99/159,950.09
  6. Step 6: Final answer
    x = 121,754.37

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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.