Home / 136,821.80-204,795.30-97,455.80

Finding the Fourth Proportional to 136,821.80, 204,795.30 and 97,455.80

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Solution

The fourth proportional to 136,821.80, 204,795.30 and 97,455.80 is: 145,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821.80 : 204,795.30 = 97,455.80 : x
  2. Step 2: Convert to fraction form
    136,821.80/204,795.30 = 97,455.80/x
  3. Step 3: Cross multiply
    136,821.80x = 204,795.30 × 97,455.80
  4. Step 4: Simplify right side
    136,821.80x = 19,958,489,797.74
  5. Step 5: Solve for x
    x = 19,958,489,797.74/136,821.80
  6. Step 6: Final answer
    x = 145,872.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.