Home / 185,678.37-278,609.58-73,439.10

Finding the Fourth Proportional to 185,678.37, 278,609.58 and 73,439.10

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Solution

The fourth proportional to 185,678.37, 278,609.58 and 73,439.10 is: 110,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,678.37 : 278,609.58 = 73,439.10 : x
  2. Step 2: Convert to fraction form
    185,678.37/278,609.58 = 73,439.10/x
  3. Step 3: Cross multiply
    185,678.37x = 278,609.58 × 73,439.10
  4. Step 4: Simplify right side
    185,678.37x = 20,460,836,806.58
  5. Step 5: Solve for x
    x = 20,460,836,806.58/185,678.37
  6. Step 6: Final answer
    x = 110,195.05

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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.