Home / 119,279.13-178,914.60-30,533.42

Finding the Fourth Proportional to 119,279.13, 178,914.60 and 30,533.42

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Solution

The fourth proportional to 119,279.13, 178,914.60 and 30,533.42 is: 45,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,279.13 : 178,914.60 = 30,533.42 : x
  2. Step 2: Convert to fraction form
    119,279.13/178,914.60 = 30,533.42/x
  3. Step 3: Cross multiply
    119,279.13x = 178,914.60 × 30,533.42
  4. Step 4: Simplify right side
    119,279.13x = 5,462,873,731.36
  5. Step 5: Solve for x
    x = 5,462,873,731.36/119,279.13
  6. Step 6: Final answer
    x = 45,799.07

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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.