Home / 141,915.67-195,833.61-78,252.10

Finding the Fourth Proportional to 141,915.67, 195,833.61 and 78,252.10

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Solution

The fourth proportional to 141,915.67, 195,833.61 and 78,252.10 is: 107,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,915.67 : 195,833.61 = 78,252.10 : x
  2. Step 2: Convert to fraction form
    141,915.67/195,833.61 = 78,252.10/x
  3. Step 3: Cross multiply
    141,915.67x = 195,833.61 × 78,252.10
  4. Step 4: Simplify right side
    141,915.67x = 15,324,390,743.50
  5. Step 5: Solve for x
    x = 15,324,390,743.50/141,915.67
  6. Step 6: Final answer
    x = 107,982.37

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1.5x scale

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.