Home / 120,549.40-166,368.03-66,851.26

Finding the Fourth Proportional to 120,549.40, 166,368.03 and 66,851.26

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Solution

The fourth proportional to 120,549.40, 166,368.03 and 66,851.26 is: 92,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.40 : 166,368.03 = 66,851.26 : x
  2. Step 2: Convert to fraction form
    120,549.40/166,368.03 = 66,851.26/x
  3. Step 3: Cross multiply
    120,549.40x = 166,368.03 × 66,851.26
  4. Step 4: Simplify right side
    120,549.40x = 11,121,912,429.22
  5. Step 5: Solve for x
    x = 11,121,912,429.22/120,549.40
  6. Step 6: Final answer
    x = 92,260.21

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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.