Home / 196,299.04-294,453.40-71,640

Finding the Fourth Proportional to 196,299.04, 294,453.40 and 71,640

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Solution

The fourth proportional to 196,299.04, 294,453.40 and 71,640 is: 107,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,299.04 : 294,453.40 = 71,640 : x
  2. Step 2: Convert to fraction form
    196,299.04/294,453.40 = 71,640/x
  3. Step 3: Cross multiply
    196,299.04x = 294,453.40 × 71,640
  4. Step 4: Simplify right side
    196,299.04x = 21,094,641,576
  5. Step 5: Solve for x
    x = 21,094,641,576/196,299.04
  6. Step 6: Final answer
    x = 107,461.77

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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.