Home / 154,982.68-213,941.10-104,749.72

Finding the Fourth Proportional to 154,982.68, 213,941.10 and 104,749.72

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Solution

The fourth proportional to 154,982.68, 213,941.10 and 104,749.72 is: 144,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,982.68 : 213,941.10 = 104,749.72 : x
  2. Step 2: Convert to fraction form
    154,982.68/213,941.10 = 104,749.72/x
  3. Step 3: Cross multiply
    154,982.68x = 213,941.10 × 104,749.72
  4. Step 4: Simplify right side
    154,982.68x = 22,410,270,321.49
  5. Step 5: Solve for x
    x = 22,410,270,321.49/154,982.68
  6. Step 6: Final answer
    x = 144,598.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.