Home / 345,911.58-518,882.85-106,008.12

Finding the Fourth Proportional to 345,911.58, 518,882.85 and 106,008.12

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Solution

The fourth proportional to 345,911.58, 518,882.85 and 106,008.12 is: 159,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,911.58 : 518,882.85 = 106,008.12 : x
  2. Step 2: Convert to fraction form
    345,911.58/518,882.85 = 106,008.12/x
  3. Step 3: Cross multiply
    345,911.58x = 518,882.85 × 106,008.12
  4. Step 4: Simplify right side
    345,911.58x = 55,005,795,428.74
  5. Step 5: Solve for x
    x = 55,005,795,428.74/345,911.58
  6. Step 6: Final answer
    x = 159,016.92

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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.