Home / 103,670.23-155,505.66-28,794.46

Finding the Fourth Proportional to 103,670.23, 155,505.66 and 28,794.46

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Solution

The fourth proportional to 103,670.23, 155,505.66 and 28,794.46 is: 43,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.23 : 155,505.66 = 28,794.46 : x
  2. Step 2: Convert to fraction form
    103,670.23/155,505.66 = 28,794.46/x
  3. Step 3: Cross multiply
    103,670.23x = 155,505.66 × 28,794.46
  4. Step 4: Simplify right side
    103,670.23x = 4,477,701,506.64
  5. Step 5: Solve for x
    x = 4,477,701,506.64/103,670.23
  6. Step 6: Final answer
    x = 43,191.78

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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.