Home / 123,583.08-170,544-66,994.32

Finding the Fourth Proportional to 123,583.08, 170,544 and 66,994.32

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Solution

The fourth proportional to 123,583.08, 170,544 and 66,994.32 is: 92,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,583.08 : 170,544 = 66,994.32 : x
  2. Step 2: Convert to fraction form
    123,583.08/170,544 = 66,994.32/x
  3. Step 3: Cross multiply
    123,583.08x = 170,544 × 66,994.32
  4. Step 4: Simplify right side
    123,583.08x = 11,425,479,310.08
  5. Step 5: Solve for x
    x = 11,425,479,310.08/123,583.08
  6. Step 6: Final answer
    x = 92,451.81

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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.