Home / 102,114.63-140,915.73-55,546.29

Finding the Fourth Proportional to 102,114.63, 140,915.73 and 55,546.29

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Solution

The fourth proportional to 102,114.63, 140,915.73 and 55,546.29 is: 76,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,114.63 : 140,915.73 = 55,546.29 : x
  2. Step 2: Convert to fraction form
    102,114.63/140,915.73 = 55,546.29/x
  3. Step 3: Cross multiply
    102,114.63x = 140,915.73 × 55,546.29
  4. Step 4: Simplify right side
    102,114.63x = 7,827,346,004.14
  5. Step 5: Solve for x
    x = 7,827,346,004.14/102,114.63
  6. Step 6: Final answer
    x = 76,652.54

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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.