Home / 103,076.20-154,628.70-43,911.40

Finding the Fourth Proportional to 103,076.20, 154,628.70 and 43,911.40

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Solution

The fourth proportional to 103,076.20, 154,628.70 and 43,911.40 is: 65,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076.20 : 154,628.70 = 43,911.40 : x
  2. Step 2: Convert to fraction form
    103,076.20/154,628.70 = 43,911.40/x
  3. Step 3: Cross multiply
    103,076.20x = 154,628.70 × 43,911.40
  4. Step 4: Simplify right side
    103,076.20x = 6,789,962,697.18
  5. Step 5: Solve for x
    x = 6,789,962,697.18/103,076.20
  6. Step 6: Final answer
    x = 65,873.23

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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.