Home / 120,653.06-166,521.21-66,955.32

Finding the Fourth Proportional to 120,653.06, 166,521.21 and 66,955.32

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Solution

The fourth proportional to 120,653.06, 166,521.21 and 66,955.32 is: 92,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,653.06 : 166,521.21 = 66,955.32 : x
  2. Step 2: Convert to fraction form
    120,653.06/166,521.21 = 66,955.32/x
  3. Step 3: Cross multiply
    120,653.06x = 166,521.21 × 66,955.32
  4. Step 4: Simplify right side
    120,653.06x = 11,149,480,902.34
  5. Step 5: Solve for x
    x = 11,149,480,902.34/120,653.06
  6. Step 6: Final answer
    x = 92,409.43

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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.