Home / 103,741.26-155,612.02-28,861.44

Finding the Fourth Proportional to 103,741.26, 155,612.02 and 28,861.44

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Solution

The fourth proportional to 103,741.26, 155,612.02 and 28,861.44 is: 43,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,741.26 : 155,612.02 = 28,861.44 : x
  2. Step 2: Convert to fraction form
    103,741.26/155,612.02 = 28,861.44/x
  3. Step 3: Cross multiply
    103,741.26x = 155,612.02 × 28,861.44
  4. Step 4: Simplify right side
    103,741.26x = 4,491,186,978.51
  5. Step 5: Solve for x
    x = 4,491,186,978.51/103,741.26
  6. Step 6: Final answer
    x = 43,292.20

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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.