Home / 97,668.78-146,504.39-31,108.65

Finding the Fourth Proportional to 97,668.78, 146,504.39 and 31,108.65

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Solution

The fourth proportional to 97,668.78, 146,504.39 and 31,108.65 is: 46,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,668.78 : 146,504.39 = 31,108.65 : x
  2. Step 2: Convert to fraction form
    97,668.78/146,504.39 = 31,108.65/x
  3. Step 3: Cross multiply
    97,668.78x = 146,504.39 × 31,108.65
  4. Step 4: Simplify right side
    97,668.78x = 4,557,553,636.43
  5. Step 5: Solve for x
    x = 4,557,553,636.43/97,668.78
  6. Step 6: Final answer
    x = 46,663.36

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1.5x scale

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.