Home / 219,879.95-329,873.65-70,120.26

Finding the Fourth Proportional to 219,879.95, 329,873.65 and 70,120.26

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Solution

The fourth proportional to 219,879.95, 329,873.65 and 70,120.26 is: 105,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,879.95 : 329,873.65 = 70,120.26 : x
  2. Step 2: Convert to fraction form
    219,879.95/329,873.65 = 70,120.26/x
  3. Step 3: Cross multiply
    219,879.95x = 329,873.65 × 70,120.26
  4. Step 4: Simplify right side
    219,879.95x = 23,130,825,929.85
  5. Step 5: Solve for x
    x = 23,130,825,929.85/219,879.95
  6. Step 6: Final answer
    x = 105,197.52

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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.