Home / 185,479.24-278,214.54-101,321.32

Finding the Fourth Proportional to 185,479.24, 278,214.54 and 101,321.32

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Solution

The fourth proportional to 185,479.24, 278,214.54 and 101,321.32 is: 151,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,479.24 : 278,214.54 = 101,321.32 : x
  2. Step 2: Convert to fraction form
    185,479.24/278,214.54 = 101,321.32/x
  3. Step 3: Cross multiply
    185,479.24x = 278,214.54 × 101,321.32
  4. Step 4: Simplify right side
    185,479.24x = 28,189,064,435.99
  5. Step 5: Solve for x
    x = 28,189,064,435.99/185,479.24
  6. Step 6: Final answer
    x = 151,979.62

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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.