Home / 124,408.80-186,525.72-57,778.20

Finding the Fourth Proportional to 124,408.80, 186,525.72 and 57,778.20

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Solution

The fourth proportional to 124,408.80, 186,525.72 and 57,778.20 is: 86,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,408.80 : 186,525.72 = 57,778.20 : x
  2. Step 2: Convert to fraction form
    124,408.80/186,525.72 = 57,778.20/x
  3. Step 3: Cross multiply
    124,408.80x = 186,525.72 × 57,778.20
  4. Step 4: Simplify right side
    124,408.80x = 10,777,120,355.30
  5. Step 5: Solve for x
    x = 10,777,120,355.30/124,408.80
  6. Step 6: Final answer
    x = 86,626.67

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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.