Home / 103,310.04-154,944.62-28,410.86

Finding the Fourth Proportional to 103,310.04, 154,944.62 and 28,410.86

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Solution

The fourth proportional to 103,310.04, 154,944.62 and 28,410.86 is: 42,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,310.04 : 154,944.62 = 28,410.86 : x
  2. Step 2: Convert to fraction form
    103,310.04/154,944.62 = 28,410.86/x
  3. Step 3: Cross multiply
    103,310.04x = 154,944.62 × 28,410.86
  4. Step 4: Simplify right side
    103,310.04x = 4,402,109,906.57
  5. Step 5: Solve for x
    x = 4,402,109,906.57/103,310.04
  6. Step 6: Final answer
    x = 42,610.67

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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.