Home / 102,904.20-154,290.60-43,709.40

Finding the Fourth Proportional to 102,904.20, 154,290.60 and 43,709.40

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Solution

The fourth proportional to 102,904.20, 154,290.60 and 43,709.40 is: 65,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.20 : 154,290.60 = 43,709.40 : x
  2. Step 2: Convert to fraction form
    102,904.20/154,290.60 = 43,709.40/x
  3. Step 3: Cross multiply
    102,904.20x = 154,290.60 × 43,709.40
  4. Step 4: Simplify right side
    102,904.20x = 6,743,949,551.64
  5. Step 5: Solve for x
    x = 6,743,949,551.64/102,904.20
  6. Step 6: Final answer
    x = 65,536.19

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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.