Home / 140,297.03-210,476.64-40,449.43

Finding the Fourth Proportional to 140,297.03, 210,476.64 and 40,449.43

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Solution

The fourth proportional to 140,297.03, 210,476.64 and 40,449.43 is: 60,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.03 : 210,476.64 = 40,449.43 : x
  2. Step 2: Convert to fraction form
    140,297.03/210,476.64 = 40,449.43/x
  3. Step 3: Cross multiply
    140,297.03x = 210,476.64 × 40,449.43
  4. Step 4: Simplify right side
    140,297.03x = 8,513,660,136.45
  5. Step 5: Solve for x
    x = 8,513,660,136.45/140,297.03
  6. Step 6: Final answer
    x = 60,683.11

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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.