Home / 141,090.88-194,704.74-76,560.10

Finding the Fourth Proportional to 141,090.88, 194,704.74 and 76,560.10

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Solution

The fourth proportional to 141,090.88, 194,704.74 and 76,560.10 is: 105,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,090.88 : 194,704.74 = 76,560.10 : x
  2. Step 2: Convert to fraction form
    141,090.88/194,704.74 = 76,560.10/x
  3. Step 3: Cross multiply
    141,090.88x = 194,704.74 × 76,560.10
  4. Step 4: Simplify right side
    141,090.88x = 14,906,614,364.87
  5. Step 5: Solve for x
    x = 14,906,614,364.87/141,090.88
  6. Step 6: Final answer
    x = 105,652.57

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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.