Home / 134,840.44-186,076.40-74,410.28

Finding the Fourth Proportional to 134,840.44, 186,076.40 and 74,410.28

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Solution

The fourth proportional to 134,840.44, 186,076.40 and 74,410.28 is: 102,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.44 : 186,076.40 = 74,410.28 : x
  2. Step 2: Convert to fraction form
    134,840.44/186,076.40 = 74,410.28/x
  3. Step 3: Cross multiply
    134,840.44x = 186,076.40 × 74,410.28
  4. Step 4: Simplify right side
    134,840.44x = 13,845,997,025.39
  5. Step 5: Solve for x
    x = 13,845,997,025.39/134,840.44
  6. Step 6: Final answer
    x = 102,684.31

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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.