Home / 119,015.76-178,522.86-30,268.49

Finding the Fourth Proportional to 119,015.76, 178,522.86 and 30,268.49

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Solution

The fourth proportional to 119,015.76, 178,522.86 and 30,268.49 is: 45,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,015.76 : 178,522.86 = 30,268.49 : x
  2. Step 2: Convert to fraction form
    119,015.76/178,522.86 = 30,268.49/x
  3. Step 3: Cross multiply
    119,015.76x = 178,522.86 × 30,268.49
  4. Step 4: Simplify right side
    119,015.76x = 5,403,617,924.66
  5. Step 5: Solve for x
    x = 5,403,617,924.66/119,015.76
  6. Step 6: Final answer
    x = 45,402.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.