Home / 120,440.46-166,203.10-66,726.32

Finding the Fourth Proportional to 120,440.46, 166,203.10 and 66,726.32

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Solution

The fourth proportional to 120,440.46, 166,203.10 and 66,726.32 is: 92,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,440.46 : 166,203.10 = 66,726.32 : x
  2. Step 2: Convert to fraction form
    120,440.46/166,203.10 = 66,726.32/x
  3. Step 3: Cross multiply
    120,440.46x = 166,203.10 × 66,726.32
  4. Step 4: Simplify right side
    120,440.46x = 11,090,121,235.59
  5. Step 5: Solve for x
    x = 11,090,121,235.59/120,440.46
  6. Step 6: Final answer
    x = 92,079.70

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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.