Home / 152,100.36-228,183.10-45,492.68

Finding the Fourth Proportional to 152,100.36, 228,183.10 and 45,492.68

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Solution

The fourth proportional to 152,100.36, 228,183.10 and 45,492.68 is: 68,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,100.36 : 228,183.10 = 45,492.68 : x
  2. Step 2: Convert to fraction form
    152,100.36/228,183.10 = 45,492.68/x
  3. Step 3: Cross multiply
    152,100.36x = 228,183.10 × 45,492.68
  4. Step 4: Simplify right side
    152,100.36x = 10,380,660,749.71
  5. Step 5: Solve for x
    x = 10,380,660,749.71/152,100.36
  6. Step 6: Final answer
    x = 68,248.76

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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.