Home / 102,794.25-154,214.06-43,680.45

Finding the Fourth Proportional to 102,794.25, 154,214.06 and 43,680.45

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Solution

The fourth proportional to 102,794.25, 154,214.06 and 43,680.45 is: 65,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,794.25 : 154,214.06 = 43,680.45 : x
  2. Step 2: Convert to fraction form
    102,794.25/154,214.06 = 43,680.45/x
  3. Step 3: Cross multiply
    102,794.25x = 154,214.06 × 43,680.45
  4. Step 4: Simplify right side
    102,794.25x = 6,736,139,318.72
  5. Step 5: Solve for x
    x = 6,736,139,318.72/102,794.25
  6. Step 6: Final answer
    x = 65,530.31

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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.