Home / 153,286.09-229,845.73-53,419.47

Finding the Fourth Proportional to 153,286.09, 229,845.73 and 53,419.47

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Solution

The fourth proportional to 153,286.09, 229,845.73 and 53,419.47 is: 80,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,286.09 : 229,845.73 = 53,419.47 : x
  2. Step 2: Convert to fraction form
    153,286.09/229,845.73 = 53,419.47/x
  3. Step 3: Cross multiply
    153,286.09x = 229,845.73 × 53,419.47
  4. Step 4: Simplify right side
    153,286.09x = 12,278,235,929.13
  5. Step 5: Solve for x
    x = 12,278,235,929.13/153,286.09
  6. Step 6: Final answer
    x = 80,100.13

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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.