Home / 129,713.10-194,425.65-50,801.10

Finding the Fourth Proportional to 129,713.10, 194,425.65 and 50,801.10

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Solution

The fourth proportional to 129,713.10, 194,425.65 and 50,801.10 is: 76,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,713.10 : 194,425.65 = 50,801.10 : x
  2. Step 2: Convert to fraction form
    129,713.10/194,425.65 = 50,801.10/x
  3. Step 3: Cross multiply
    129,713.10x = 194,425.65 × 50,801.10
  4. Step 4: Simplify right side
    129,713.10x = 9,877,036,888.22
  5. Step 5: Solve for x
    x = 9,877,036,888.22/129,713.10
  6. Step 6: Final answer
    x = 76,145.25

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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.