Home / 103,993.85-143,511.62-56,247.27

Finding the Fourth Proportional to 103,993.85, 143,511.62 and 56,247.27

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Solution

The fourth proportional to 103,993.85, 143,511.62 and 56,247.27 is: 77,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993.85 : 143,511.62 = 56,247.27 : x
  2. Step 2: Convert to fraction form
    103,993.85/143,511.62 = 56,247.27/x
  3. Step 3: Cross multiply
    103,993.85x = 143,511.62 × 56,247.27
  4. Step 4: Simplify right side
    103,993.85x = 8,072,136,838.28
  5. Step 5: Solve for x
    x = 8,072,136,838.28/103,993.85
  6. Step 6: Final answer
    x = 77,621.29

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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.