Home / 141,260.64-194,943.12-77,602.56

Finding the Fourth Proportional to 141,260.64, 194,943.12 and 77,602.56

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Solution

The fourth proportional to 141,260.64, 194,943.12 and 77,602.56 is: 107,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,260.64 : 194,943.12 = 77,602.56 : x
  2. Step 2: Convert to fraction form
    141,260.64/194,943.12 = 77,602.56/x
  3. Step 3: Cross multiply
    141,260.64x = 194,943.12 × 77,602.56
  4. Step 4: Simplify right side
    141,260.64x = 15,128,085,166.39
  5. Step 5: Solve for x
    x = 15,128,085,166.39/141,260.64
  6. Step 6: Final answer
    x = 107,093.42

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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.