Home / 454,619.18-681,904.03-139,076.09

Finding the Fourth Proportional to 454,619.18, 681,904.03 and 139,076.09

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Solution

The fourth proportional to 454,619.18, 681,904.03 and 139,076.09 is: 208,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,619.18 : 681,904.03 = 139,076.09 : x
  2. Step 2: Convert to fraction form
    454,619.18/681,904.03 = 139,076.09/x
  3. Step 3: Cross multiply
    454,619.18x = 681,904.03 × 139,076.09
  4. Step 4: Simplify right side
    454,619.18x = 94,836,546,247.64
  5. Step 5: Solve for x
    x = 94,836,546,247.64/454,619.18
  6. Step 6: Final answer
    x = 208,606.57

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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.