Home / 132,096.36-197,839.50-79,389.72

Finding the Fourth Proportional to 132,096.36, 197,839.50 and 79,389.72

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Solution

The fourth proportional to 132,096.36, 197,839.50 and 79,389.72 is: 118,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,096.36 : 197,839.50 = 79,389.72 : x
  2. Step 2: Convert to fraction form
    132,096.36/197,839.50 = 79,389.72/x
  3. Step 3: Cross multiply
    132,096.36x = 197,839.50 × 79,389.72
  4. Step 4: Simplify right side
    132,096.36x = 15,706,422,509.94
  5. Step 5: Solve for x
    x = 15,706,422,509.94/132,096.36
  6. Step 6: Final answer
    x = 118,901.25

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1.5x scale

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.