Home / 454,626.66-681,915.21-139,083.57

Finding the Fourth Proportional to 454,626.66, 681,915.21 and 139,083.57

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Solution

The fourth proportional to 454,626.66, 681,915.21 and 139,083.57 is: 208,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,626.66 : 681,915.21 = 139,083.57 : x
  2. Step 2: Convert to fraction form
    454,626.66/681,915.21 = 139,083.57/x
  3. Step 3: Cross multiply
    454,626.66x = 681,915.21 × 139,083.57
  4. Step 4: Simplify right side
    454,626.66x = 94,843,201,844.10
  5. Step 5: Solve for x
    x = 94,843,201,844.10/454,626.66
  6. Step 6: Final answer
    x = 208,617.77

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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.