Home / 199,491.09-299,233.69-92,815.36

Finding the Fourth Proportional to 199,491.09, 299,233.69 and 92,815.36

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Solution

The fourth proportional to 199,491.09, 299,233.69 and 92,815.36 is: 139,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,491.09 : 299,233.69 = 92,815.36 : x
  2. Step 2: Convert to fraction form
    199,491.09/299,233.69 = 92,815.36/x
  3. Step 3: Cross multiply
    199,491.09x = 299,233.69 × 92,815.36
  4. Step 4: Simplify right side
    199,491.09x = 27,773,482,661.48
  5. Step 5: Solve for x
    x = 27,773,482,661.48/199,491.09
  6. Step 6: Final answer
    x = 139,221.67

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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.