Home / 120,544.64-166,339.88-66,828.56

Finding the Fourth Proportional to 120,544.64, 166,339.88 and 66,828.56

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Solution

The fourth proportional to 120,544.64, 166,339.88 and 66,828.56 is: 92,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,544.64 : 166,339.88 = 66,828.56 : x
  2. Step 2: Convert to fraction form
    120,544.64/166,339.88 = 66,828.56/x
  3. Step 3: Cross multiply
    120,544.64x = 166,339.88 × 66,828.56
  4. Step 4: Simplify right side
    120,544.64x = 11,116,254,650.97
  5. Step 5: Solve for x
    x = 11,116,254,650.97/120,544.64
  6. Step 6: Final answer
    x = 92,216.91

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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.