Home / 146,668.63-202,385.97-82,128.89

Finding the Fourth Proportional to 146,668.63, 202,385.97 and 82,128.89

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Solution

The fourth proportional to 146,668.63, 202,385.97 and 82,128.89 is: 113,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.63 : 202,385.97 = 82,128.89 : x
  2. Step 2: Convert to fraction form
    146,668.63/202,385.97 = 82,128.89/x
  3. Step 3: Cross multiply
    146,668.63x = 202,385.97 × 82,128.89
  4. Step 4: Simplify right side
    146,668.63x = 16,621,735,404.53
  5. Step 5: Solve for x
    x = 16,621,735,404.53/146,668.63
  6. Step 6: Final answer
    x = 113,328.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.