Home / 129,846.37-194,780.73-45,599.31

Finding the Fourth Proportional to 129,846.37, 194,780.73 and 45,599.31

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Solution

The fourth proportional to 129,846.37, 194,780.73 and 45,599.31 is: 68,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,846.37 : 194,780.73 = 45,599.31 : x
  2. Step 2: Convert to fraction form
    129,846.37/194,780.73 = 45,599.31/x
  3. Step 3: Cross multiply
    129,846.37x = 194,780.73 × 45,599.31
  4. Step 4: Simplify right side
    129,846.37x = 8,881,866,889.30
  5. Step 5: Solve for x
    x = 8,881,866,889.30/129,846.37
  6. Step 6: Final answer
    x = 68,402.89

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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.