Home / 106,001.26-146,302.42-70,192.78

Finding the Fourth Proportional to 106,001.26, 146,302.42 and 70,192.78

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Solution

The fourth proportional to 106,001.26, 146,302.42 and 70,192.78 is: 96,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,001.26 : 146,302.42 = 70,192.78 : x
  2. Step 2: Convert to fraction form
    106,001.26/146,302.42 = 70,192.78/x
  3. Step 3: Cross multiply
    106,001.26x = 146,302.42 × 70,192.78
  4. Step 4: Simplify right side
    106,001.26x = 10,269,373,580.53
  5. Step 5: Solve for x
    x = 10,269,373,580.53/106,001.26
  6. Step 6: Final answer
    x = 96,879.73

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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.