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Finding the Fourth Proportional to 195,360.67, 269,520.64 and 122,720.88

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Solution

The fourth proportional to 195,360.67, 269,520.64 and 122,720.88 is: 169,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,360.67 : 269,520.64 = 122,720.88 : x
  2. Step 2: Convert to fraction form
    195,360.67/269,520.64 = 122,720.88/x
  3. Step 3: Cross multiply
    195,360.67x = 269,520.64 × 122,720.88
  4. Step 4: Simplify right side
    195,360.67x = 33,075,810,118.96
  5. Step 5: Solve for x
    x = 33,075,810,118.96/195,360.67
  6. Step 6: Final answer
    x = 169,306.39

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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.