Home / 345,460.04-518,140.85-108,796.57

Finding the Fourth Proportional to 345,460.04, 518,140.85 and 108,796.57

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Solution

The fourth proportional to 345,460.04, 518,140.85 and 108,796.57 is: 163,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,460.04 : 518,140.85 = 108,796.57 : x
  2. Step 2: Convert to fraction form
    345,460.04/518,140.85 = 108,796.57/x
  3. Step 3: Cross multiply
    345,460.04x = 518,140.85 × 108,796.57
  4. Step 4: Simplify right side
    345,460.04x = 56,371,946,029.53
  5. Step 5: Solve for x
    x = 56,371,946,029.53/345,460.04
  6. Step 6: Final answer
    x = 163,179.35

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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.