Home / 209,972.34-289,760.31-114,483.06

Finding the Fourth Proportional to 209,972.34, 289,760.31 and 114,483.06

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Solution

The fourth proportional to 209,972.34, 289,760.31 and 114,483.06 is: 157,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,972.34 : 289,760.31 = 114,483.06 : x
  2. Step 2: Convert to fraction form
    209,972.34/289,760.31 = 114,483.06/x
  3. Step 3: Cross multiply
    209,972.34x = 289,760.31 × 114,483.06
  4. Step 4: Simplify right side
    209,972.34x = 33,172,646,955.35
  5. Step 5: Solve for x
    x = 33,172,646,955.35/209,972.34
  6. Step 6: Final answer
    x = 157,985.79

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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.