Home / 186,942.48-280,389.12-52,015.52

Finding the Fourth Proportional to 186,942.48, 280,389.12 and 52,015.52

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Solution

The fourth proportional to 186,942.48, 280,389.12 and 52,015.52 is: 78,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942.48 : 280,389.12 = 52,015.52 : x
  2. Step 2: Convert to fraction form
    186,942.48/280,389.12 = 52,015.52/x
  3. Step 3: Cross multiply
    186,942.48x = 280,389.12 × 52,015.52
  4. Step 4: Simplify right side
    186,942.48x = 14,584,584,954.16
  5. Step 5: Solve for x
    x = 14,584,584,954.16/186,942.48
  6. Step 6: Final answer
    x = 78,016.43

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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.