Home / 123,266.34-170,107.56-66,677.72

Finding the Fourth Proportional to 123,266.34, 170,107.56 and 66,677.72

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Solution

The fourth proportional to 123,266.34, 170,107.56 and 66,677.72 is: 92,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,266.34 : 170,107.56 = 66,677.72 : x
  2. Step 2: Convert to fraction form
    123,266.34/170,107.56 = 66,677.72/x
  3. Step 3: Cross multiply
    123,266.34x = 170,107.56 × 66,677.72
  4. Step 4: Simplify right side
    123,266.34x = 11,342,383,405.03
  5. Step 5: Solve for x
    x = 11,342,383,405.03/123,266.34
  6. Step 6: Final answer
    x = 92,015.25

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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.