Home / 218,929.74-327,873.33-139,798.86

Finding the Fourth Proportional to 218,929.74, 327,873.33 and 139,798.86

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Solution

The fourth proportional to 218,929.74, 327,873.33 and 139,798.86 is: 209,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,929.74 : 327,873.33 = 139,798.86 : x
  2. Step 2: Convert to fraction form
    218,929.74/327,873.33 = 139,798.86/x
  3. Step 3: Cross multiply
    218,929.74x = 327,873.33 × 139,798.86
  4. Step 4: Simplify right side
    218,929.74x = 45,836,317,758.40
  5. Step 5: Solve for x
    x = 45,836,317,758.40/218,929.74
  6. Step 6: Final answer
    x = 209,365.42

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1.5x scale

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.