Home / 91,028.12-136,604.10-55,860.44

Finding the Fourth Proportional to 91,028.12, 136,604.10 and 55,860.44

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Solution

The fourth proportional to 91,028.12, 136,604.10 and 55,860.44 is: 83,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,028.12 : 136,604.10 = 55,860.44 : x
  2. Step 2: Convert to fraction form
    91,028.12/136,604.10 = 55,860.44/x
  3. Step 3: Cross multiply
    91,028.12x = 136,604.10 × 55,860.44
  4. Step 4: Simplify right side
    91,028.12x = 7,630,765,131.80
  5. Step 5: Solve for x
    x = 7,630,765,131.80/91,028.12
  6. Step 6: Final answer
    x = 83,828.66

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1.5x scale

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.