Home / 120,519.75-166,325.27-66,807.03

Finding the Fourth Proportional to 120,519.75, 166,325.27 and 66,807.03

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Solution

The fourth proportional to 120,519.75, 166,325.27 and 66,807.03 is: 92,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,519.75 : 166,325.27 = 66,807.03 : x
  2. Step 2: Convert to fraction form
    120,519.75/166,325.27 = 66,807.03/x
  3. Step 3: Cross multiply
    120,519.75x = 166,325.27 × 66,807.03
  4. Step 4: Simplify right side
    120,519.75x = 11,111,697,302.65
  5. Step 5: Solve for x
    x = 11,111,697,302.65/120,519.75
  6. Step 6: Final answer
    x = 92,198.14

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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.