Home / 129,973.76-194,920.95-55,092.50

Finding the Fourth Proportional to 129,973.76, 194,920.95 and 55,092.50

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Solution

The fourth proportional to 129,973.76, 194,920.95 and 55,092.50 is: 82,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.76 : 194,920.95 = 55,092.50 : x
  2. Step 2: Convert to fraction form
    129,973.76/194,920.95 = 55,092.50/x
  3. Step 3: Cross multiply
    129,973.76x = 194,920.95 × 55,092.50
  4. Step 4: Simplify right side
    129,973.76x = 10,738,682,437.88
  5. Step 5: Solve for x
    x = 10,738,682,437.88/129,973.76
  6. Step 6: Final answer
    x = 82,621.93

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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.