Home / 141,325.84-195,040.50-80,915.44

Finding the Fourth Proportional to 141,325.84, 195,040.50 and 80,915.44

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Solution

The fourth proportional to 141,325.84, 195,040.50 and 80,915.44 is: 111,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,325.84 : 195,040.50 = 80,915.44 : x
  2. Step 2: Convert to fraction form
    141,325.84/195,040.50 = 80,915.44/x
  3. Step 3: Cross multiply
    141,325.84x = 195,040.50 × 80,915.44
  4. Step 4: Simplify right side
    141,325.84x = 15,781,787,875.32
  5. Step 5: Solve for x
    x = 15,781,787,875.32/141,325.84
  6. Step 6: Final answer
    x = 111,669.51

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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.