Home / 120,467.40-166,242.53-66,751.94

Finding the Fourth Proportional to 120,467.40, 166,242.53 and 66,751.94

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Solution

The fourth proportional to 120,467.40, 166,242.53 and 66,751.94 is: 92,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,467.40 : 166,242.53 = 66,751.94 : x
  2. Step 2: Convert to fraction form
    120,467.40/166,242.53 = 66,751.94/x
  3. Step 3: Cross multiply
    120,467.40x = 166,242.53 × 66,751.94
  4. Step 4: Simplify right side
    120,467.40x = 11,097,010,223.04
  5. Step 5: Solve for x
    x = 11,097,010,223.04/120,467.40
  6. Step 6: Final answer
    x = 92,116.29

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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.