Home / 186,972.75-280,346.33-87,155.35

Finding the Fourth Proportional to 186,972.75, 280,346.33 and 87,155.35

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Solution

The fourth proportional to 186,972.75, 280,346.33 and 87,155.35 is: 130,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,972.75 : 280,346.33 = 87,155.35 : x
  2. Step 2: Convert to fraction form
    186,972.75/280,346.33 = 87,155.35/x
  3. Step 3: Cross multiply
    186,972.75x = 280,346.33 × 87,155.35
  4. Step 4: Simplify right side
    186,972.75x = 24,433,682,029.39
  5. Step 5: Solve for x
    x = 24,433,682,029.39/186,972.75
  6. Step 6: Final answer
    x = 130,680.44

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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.