Home / 146,136.96-201,148.92-103,621.68

Finding the Fourth Proportional to 146,136.96, 201,148.92 and 103,621.68

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Solution

The fourth proportional to 146,136.96, 201,148.92 and 103,621.68 is: 142,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,136.96 : 201,148.92 = 103,621.68 : x
  2. Step 2: Convert to fraction form
    146,136.96/201,148.92 = 103,621.68/x
  3. Step 3: Cross multiply
    146,136.96x = 201,148.92 × 103,621.68
  4. Step 4: Simplify right side
    146,136.96x = 20,843,389,020.59
  5. Step 5: Solve for x
    x = 20,843,389,020.59/146,136.96
  6. Step 6: Final answer
    x = 142,629.14

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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.