Home / 239,834.36-359,561.75-90,057.96

Finding the Fourth Proportional to 239,834.36, 359,561.75 and 90,057.96

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Solution

The fourth proportional to 239,834.36, 359,561.75 and 90,057.96 is: 135,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,834.36 : 359,561.75 = 90,057.96 : x
  2. Step 2: Convert to fraction form
    239,834.36/359,561.75 = 90,057.96/x
  3. Step 3: Cross multiply
    239,834.36x = 359,561.75 × 90,057.96
  4. Step 4: Simplify right side
    239,834.36x = 32,381,397,699.03
  5. Step 5: Solve for x
    x = 32,381,397,699.03/239,834.36
  6. Step 6: Final answer
    x = 135,015.67

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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.