Home / 135,828.89-203,697.19-47,061.67

Finding the Fourth Proportional to 135,828.89, 203,697.19 and 47,061.67

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Solution

The fourth proportional to 135,828.89, 203,697.19 and 47,061.67 is: 70,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,828.89 : 203,697.19 = 47,061.67 : x
  2. Step 2: Convert to fraction form
    135,828.89/203,697.19 = 47,061.67/x
  3. Step 3: Cross multiply
    135,828.89x = 203,697.19 × 47,061.67
  4. Step 4: Simplify right side
    135,828.89x = 9,586,330,219.85
  5. Step 5: Solve for x
    x = 9,586,330,219.85/135,828.89
  6. Step 6: Final answer
    x = 70,576.52

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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.