Home / 103,308.04-154,941.62-28,408.86

Finding the Fourth Proportional to 103,308.04, 154,941.62 and 28,408.86

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Solution

The fourth proportional to 103,308.04, 154,941.62 and 28,408.86 is: 42,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,308.04 : 154,941.62 = 28,408.86 : x
  2. Step 2: Convert to fraction form
    103,308.04/154,941.62 = 28,408.86/x
  3. Step 3: Cross multiply
    103,308.04x = 154,941.62 × 28,408.86
  4. Step 4: Simplify right side
    103,308.04x = 4,401,714,790.75
  5. Step 5: Solve for x
    x = 4,401,714,790.75/103,308.04
  6. Step 6: Final answer
    x = 42,607.67

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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.