Home / 207,401.10-311,101.65-89,052.30

Finding the Fourth Proportional to 207,401.10, 311,101.65 and 89,052.30

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Solution

The fourth proportional to 207,401.10, 311,101.65 and 89,052.30 is: 133,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,401.10 : 311,101.65 = 89,052.30 : x
  2. Step 2: Convert to fraction form
    207,401.10/311,101.65 = 89,052.30/x
  3. Step 3: Cross multiply
    207,401.10x = 311,101.65 × 89,052.30
  4. Step 4: Simplify right side
    207,401.10x = 27,704,317,466.30
  5. Step 5: Solve for x
    x = 27,704,317,466.30/207,401.10
  6. Step 6: Final answer
    x = 133,578.45

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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.