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Finding the Fourth Proportional to 183,880.10, 253,693.14 and 103,296.44

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Solution

The fourth proportional to 183,880.10, 253,693.14 and 103,296.44 is: 142,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,880.10 : 253,693.14 = 103,296.44 : x
  2. Step 2: Convert to fraction form
    183,880.10/253,693.14 = 103,296.44/x
  3. Step 3: Cross multiply
    183,880.10x = 253,693.14 × 103,296.44
  4. Step 4: Simplify right side
    183,880.10x = 26,205,598,214.42
  5. Step 5: Solve for x
    x = 26,205,598,214.42/183,880.10
  6. Step 6: Final answer
    x = 142,514.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.