Home / 187,056.69-280,585.04-68,676.81

Finding the Fourth Proportional to 187,056.69, 280,585.04 and 68,676.81

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Solution

The fourth proportional to 187,056.69, 280,585.04 and 68,676.81 is: 103,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,056.69 : 280,585.04 = 68,676.81 : x
  2. Step 2: Convert to fraction form
    187,056.69/280,585.04 = 68,676.81/x
  3. Step 3: Cross multiply
    187,056.69x = 280,585.04 × 68,676.81
  4. Step 4: Simplify right side
    187,056.69x = 19,269,685,137.54
  5. Step 5: Solve for x
    x = 19,269,685,137.54/187,056.69
  6. Step 6: Final answer
    x = 103,015.22

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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.