Home / 131,438.40-197,157.60-96,014.40

Finding the Fourth Proportional to 131,438.40, 197,157.60 and 96,014.40

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Solution

The fourth proportional to 131,438.40, 197,157.60 and 96,014.40 is: 144,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,438.40 : 197,157.60 = 96,014.40 : x
  2. Step 2: Convert to fraction form
    131,438.40/197,157.60 = 96,014.40/x
  3. Step 3: Cross multiply
    131,438.40x = 197,157.60 × 96,014.40
  4. Step 4: Simplify right side
    131,438.40x = 18,929,968,669.44
  5. Step 5: Solve for x
    x = 18,929,968,669.44/131,438.40
  6. Step 6: Final answer
    x = 144,021.60

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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.