Home / 100,127.56-150,204.40-36,991.90

Finding the Fourth Proportional to 100,127.56, 150,204.40 and 36,991.90

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Solution

The fourth proportional to 100,127.56, 150,204.40 and 36,991.90 is: 55,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,127.56 : 150,204.40 = 36,991.90 : x
  2. Step 2: Convert to fraction form
    100,127.56/150,204.40 = 36,991.90/x
  3. Step 3: Cross multiply
    100,127.56x = 150,204.40 × 36,991.90
  4. Step 4: Simplify right side
    100,127.56x = 5,556,346,144.36
  5. Step 5: Solve for x
    x = 5,556,346,144.36/100,127.56
  6. Step 6: Final answer
    x = 55,492.67

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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.