Home / 145,540.92-200,876.33-85,126.41

Finding the Fourth Proportional to 145,540.92, 200,876.33 and 85,126.41

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Solution

The fourth proportional to 145,540.92, 200,876.33 and 85,126.41 is: 117,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540.92 : 200,876.33 = 85,126.41 : x
  2. Step 2: Convert to fraction form
    145,540.92/200,876.33 = 85,126.41/x
  3. Step 3: Cross multiply
    145,540.92x = 200,876.33 × 85,126.41
  4. Step 4: Simplify right side
    145,540.92x = 17,099,880,826.88
  5. Step 5: Solve for x
    x = 17,099,880,826.88/145,540.92
  6. Step 6: Final answer
    x = 117,491.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.