Home / 141,374.88-195,097.55-77,713.07

Finding the Fourth Proportional to 141,374.88, 195,097.55 and 77,713.07

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Solution

The fourth proportional to 141,374.88, 195,097.55 and 77,713.07 is: 107,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,374.88 : 195,097.55 = 77,713.07 : x
  2. Step 2: Convert to fraction form
    141,374.88/195,097.55 = 77,713.07/x
  3. Step 3: Cross multiply
    141,374.88x = 195,097.55 × 77,713.07
  4. Step 4: Simplify right side
    141,374.88x = 15,161,628,195.93
  5. Step 5: Solve for x
    x = 15,161,628,195.93/141,374.88
  6. Step 6: Final answer
    x = 107,244.15

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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.