Home / 120,659.03-166,506.28-66,211.03

Finding the Fourth Proportional to 120,659.03, 166,506.28 and 66,211.03

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Solution

The fourth proportional to 120,659.03, 166,506.28 and 66,211.03 is: 91,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,659.03 : 166,506.28 = 66,211.03 : x
  2. Step 2: Convert to fraction form
    120,659.03/166,506.28 = 66,211.03/x
  3. Step 3: Cross multiply
    120,659.03x = 166,506.28 × 66,211.03
  4. Step 4: Simplify right side
    120,659.03x = 11,024,552,300.27
  5. Step 5: Solve for x
    x = 11,024,552,300.27/120,659.03
  6. Step 6: Final answer
    x = 91,369.48

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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.