Home / 129,962.40-194,636.40-88,183.20

Finding the Fourth Proportional to 129,962.40, 194,636.40 and 88,183.20

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Solution

The fourth proportional to 129,962.40, 194,636.40 and 88,183.20 is: 132,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,962.40 : 194,636.40 = 88,183.20 : x
  2. Step 2: Convert to fraction form
    129,962.40/194,636.40 = 88,183.20/x
  3. Step 3: Cross multiply
    129,962.40x = 194,636.40 × 88,183.20
  4. Step 4: Simplify right side
    129,962.40x = 17,163,660,588.48
  5. Step 5: Solve for x
    x = 17,163,660,588.48/129,962.40
  6. Step 6: Final answer
    x = 132,066.36

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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.