Home / 120,623.72-166,457.52-69,634.73

Finding the Fourth Proportional to 120,623.72, 166,457.52 and 69,634.73

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Solution

The fourth proportional to 120,623.72, 166,457.52 and 69,634.73 is: 96,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,623.72 : 166,457.52 = 69,634.73 : x
  2. Step 2: Convert to fraction form
    120,623.72/166,457.52 = 69,634.73/x
  3. Step 3: Cross multiply
    120,623.72x = 166,457.52 × 69,634.73
  4. Step 4: Simplify right side
    120,623.72x = 11,591,224,219.61
  5. Step 5: Solve for x
    x = 11,591,224,219.61/120,623.72
  6. Step 6: Final answer
    x = 96,094.07

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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.