Home / 152,745.14-229,050.05-81,650.56

Finding the Fourth Proportional to 152,745.14, 229,050.05 and 81,650.56

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Solution

The fourth proportional to 152,745.14, 229,050.05 and 81,650.56 is: 122,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,745.14 : 229,050.05 = 81,650.56 : x
  2. Step 2: Convert to fraction form
    152,745.14/229,050.05 = 81,650.56/x
  3. Step 3: Cross multiply
    152,745.14x = 229,050.05 × 81,650.56
  4. Step 4: Simplify right side
    152,745.14x = 18,702,064,343.84
  5. Step 5: Solve for x
    x = 18,702,064,343.84/152,745.14
  6. Step 6: Final answer
    x = 122,439.67

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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.