Home / 152,433.10-228,321.60-126,189.10

Finding the Fourth Proportional to 152,433.10, 228,321.60 and 126,189.10

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Solution

The fourth proportional to 152,433.10, 228,321.60 and 126,189.10 is: 189,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,433.10 : 228,321.60 = 126,189.10 : x
  2. Step 2: Convert to fraction form
    152,433.10/228,321.60 = 126,189.10/x
  3. Step 3: Cross multiply
    152,433.10x = 228,321.60 × 126,189.10
  4. Step 4: Simplify right side
    152,433.10x = 28,811,697,214.56
  5. Step 5: Solve for x
    x = 28,811,697,214.56/152,433.10
  6. Step 6: Final answer
    x = 189,012.08

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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.