Home / 123,512.94-170,447.98-66,924.32

Finding the Fourth Proportional to 123,512.94, 170,447.98 and 66,924.32

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Solution

The fourth proportional to 123,512.94, 170,447.98 and 66,924.32 is: 92,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,512.94 : 170,447.98 = 66,924.32 : x
  2. Step 2: Convert to fraction form
    123,512.94/170,447.98 = 66,924.32/x
  3. Step 3: Cross multiply
    123,512.94x = 170,447.98 × 66,924.32
  4. Step 4: Simplify right side
    123,512.94x = 11,407,114,137.32
  5. Step 5: Solve for x
    x = 11,407,114,137.32/123,512.94
  6. Step 6: Final answer
    x = 92,355.62

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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.