Home / 120,565.02-166,381.72-66,852.30

Finding the Fourth Proportional to 120,565.02, 166,381.72 and 66,852.30

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Solution

The fourth proportional to 120,565.02, 166,381.72 and 66,852.30 is: 92,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,565.02 : 166,381.72 = 66,852.30 : x
  2. Step 2: Convert to fraction form
    120,565.02/166,381.72 = 66,852.30/x
  3. Step 3: Cross multiply
    120,565.02x = 166,381.72 × 66,852.30
  4. Step 4: Simplify right side
    120,565.02x = 11,123,000,659.96
  5. Step 5: Solve for x
    x = 11,123,000,659.96/120,565.02
  6. Step 6: Final answer
    x = 92,257.28

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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.