Home / 103,132.36-154,709.34-43,974.28

Finding the Fourth Proportional to 103,132.36, 154,709.34 and 43,974.28

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Solution

The fourth proportional to 103,132.36, 154,709.34 and 43,974.28 is: 65,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.36 : 154,709.34 = 43,974.28 : x
  2. Step 2: Convert to fraction form
    103,132.36/154,709.34 = 43,974.28/x
  3. Step 3: Cross multiply
    103,132.36x = 154,709.34 × 43,974.28
  4. Step 4: Simplify right side
    103,132.36x = 6,803,231,835.78
  5. Step 5: Solve for x
    x = 6,803,231,835.78/103,132.36
  6. Step 6: Final answer
    x = 65,966.02

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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.