Home / 141,936.47-212,729.38-121,804.45

Finding the Fourth Proportional to 141,936.47, 212,729.38 and 121,804.45

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Solution

The fourth proportional to 141,936.47, 212,729.38 and 121,804.45 is: 182,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,936.47 : 212,729.38 = 121,804.45 : x
  2. Step 2: Convert to fraction form
    141,936.47/212,729.38 = 121,804.45/x
  3. Step 3: Cross multiply
    141,936.47x = 212,729.38 × 121,804.45
  4. Step 4: Simplify right side
    141,936.47x = 25,911,385,129.74
  5. Step 5: Solve for x
    x = 25,911,385,129.74/141,936.47
  6. Step 6: Final answer
    x = 182,556.22

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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.