Home / 134,008.48-184,893.96-86,289.44

Finding the Fourth Proportional to 134,008.48, 184,893.96 and 86,289.44

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Solution

The fourth proportional to 134,008.48, 184,893.96 and 86,289.44 is: 119,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,008.48 : 184,893.96 = 86,289.44 : x
  2. Step 2: Convert to fraction form
    134,008.48/184,893.96 = 86,289.44/x
  3. Step 3: Cross multiply
    134,008.48x = 184,893.96 × 86,289.44
  4. Step 4: Simplify right side
    134,008.48x = 15,954,396,267.78
  5. Step 5: Solve for x
    x = 15,954,396,267.78/134,008.48
  6. Step 6: Final answer
    x = 119,055.12

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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.