Home / 102,823.55-154,235.09-27,954.57

Finding the Fourth Proportional to 102,823.55, 154,235.09 and 27,954.57

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Solution

The fourth proportional to 102,823.55, 154,235.09 and 27,954.57 is: 41,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.55 : 154,235.09 = 27,954.57 : x
  2. Step 2: Convert to fraction form
    102,823.55/154,235.09 = 27,954.57/x
  3. Step 3: Cross multiply
    102,823.55x = 154,235.09 × 27,954.57
  4. Step 4: Simplify right side
    102,823.55x = 4,311,575,480.09
  5. Step 5: Solve for x
    x = 4,311,575,480.09/102,823.55
  6. Step 6: Final answer
    x = 41,931.79

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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.