Home / 345,920.04-518,895.61-106,016.37

Finding the Fourth Proportional to 345,920.04, 518,895.61 and 106,016.37

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Solution

The fourth proportional to 345,920.04, 518,895.61 and 106,016.37 is: 159,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,920.04 : 518,895.61 = 106,016.37 : x
  2. Step 2: Convert to fraction form
    345,920.04/518,895.61 = 106,016.37/x
  3. Step 3: Cross multiply
    345,920.04x = 518,895.61 × 106,016.37
  4. Step 4: Simplify right side
    345,920.04x = 55,011,428,981.14
  5. Step 5: Solve for x
    x = 55,011,428,981.14/345,920.04
  6. Step 6: Final answer
    x = 159,029.32

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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.