Home / 126,209.10-189,299.07-37,453.35

Finding the Fourth Proportional to 126,209.10, 189,299.07 and 37,453.35

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Solution

The fourth proportional to 126,209.10, 189,299.07 and 37,453.35 is: 56,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,209.10 : 189,299.07 = 37,453.35 : x
  2. Step 2: Convert to fraction form
    126,209.10/189,299.07 = 37,453.35/x
  3. Step 3: Cross multiply
    126,209.10x = 189,299.07 × 37,453.35
  4. Step 4: Simplify right side
    126,209.10x = 7,089,884,323.38
  5. Step 5: Solve for x
    x = 7,089,884,323.38/126,209.10
  6. Step 6: Final answer
    x = 56,175.70

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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.