Home / 141,118.47-194,743.44-77,456.12

Finding the Fourth Proportional to 141,118.47, 194,743.44 and 77,456.12

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Solution

The fourth proportional to 141,118.47, 194,743.44 and 77,456.12 is: 106,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,118.47 : 194,743.44 = 77,456.12 : x
  2. Step 2: Convert to fraction form
    141,118.47/194,743.44 = 77,456.12/x
  3. Step 3: Cross multiply
    141,118.47x = 194,743.44 × 77,456.12
  4. Step 4: Simplify right side
    141,118.47x = 15,084,070,284.14
  5. Step 5: Solve for x
    x = 15,084,070,284.14/141,118.47
  6. Step 6: Final answer
    x = 106,889.41

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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.