Home / 133,539.36-184,284.48-76,949.28

Finding the Fourth Proportional to 133,539.36, 184,284.48 and 76,949.28

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Solution

The fourth proportional to 133,539.36, 184,284.48 and 76,949.28 is: 106,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,539.36 : 184,284.48 = 76,949.28 : x
  2. Step 2: Convert to fraction form
    133,539.36/184,284.48 = 76,949.28/x
  3. Step 3: Cross multiply
    133,539.36x = 184,284.48 × 76,949.28
  4. Step 4: Simplify right side
    133,539.36x = 14,180,558,051.17
  5. Step 5: Solve for x
    x = 14,180,558,051.17/133,539.36
  6. Step 6: Final answer
    x = 106,190.10

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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.