Home / 120,459.24-166,243.23-66,749.40

Finding the Fourth Proportional to 120,459.24, 166,243.23 and 66,749.40

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Solution

The fourth proportional to 120,459.24, 166,243.23 and 66,749.40 is: 92,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,459.24 : 166,243.23 = 66,749.40 : x
  2. Step 2: Convert to fraction form
    120,459.24/166,243.23 = 66,749.40/x
  3. Step 3: Cross multiply
    120,459.24x = 166,243.23 × 66,749.40
  4. Step 4: Simplify right side
    120,459.24x = 11,096,635,856.56
  5. Step 5: Solve for x
    x = 11,096,635,856.56/120,459.24
  6. Step 6: Final answer
    x = 92,119.42

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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.