Home / 186,420.21-279,646.46-51,484.33

Finding the Fourth Proportional to 186,420.21, 279,646.46 and 51,484.33

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Solution

The fourth proportional to 186,420.21, 279,646.46 and 51,484.33 is: 77,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,420.21 : 279,646.46 = 51,484.33 : x
  2. Step 2: Convert to fraction form
    186,420.21/279,646.46 = 51,484.33/x
  3. Step 3: Cross multiply
    186,420.21x = 279,646.46 × 51,484.33
  4. Step 4: Simplify right side
    186,420.21x = 14,397,410,629.97
  5. Step 5: Solve for x
    x = 14,397,410,629.97/186,420.21
  6. Step 6: Final answer
    x = 77,230.95

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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.