Home / 196,136.16-294,175.08-71,448

Finding the Fourth Proportional to 196,136.16, 294,175.08 and 71,448

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Solution

The fourth proportional to 196,136.16, 294,175.08 and 71,448 is: 107,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,136.16 : 294,175.08 = 71,448 : x
  2. Step 2: Convert to fraction form
    196,136.16/294,175.08 = 71,448/x
  3. Step 3: Cross multiply
    196,136.16x = 294,175.08 × 71,448
  4. Step 4: Simplify right side
    196,136.16x = 21,018,221,115.84
  5. Step 5: Solve for x
    x = 21,018,221,115.84/196,136.16
  6. Step 6: Final answer
    x = 107,161.38

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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.