Home / 129,880.44-194,673.12-54,953.82

Finding the Fourth Proportional to 129,880.44, 194,673.12 and 54,953.82

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Solution

The fourth proportional to 129,880.44, 194,673.12 and 54,953.82 is: 82,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,880.44 : 194,673.12 = 54,953.82 : x
  2. Step 2: Convert to fraction form
    129,880.44/194,673.12 = 54,953.82/x
  3. Step 3: Cross multiply
    129,880.44x = 194,673.12 × 54,953.82
  4. Step 4: Simplify right side
    129,880.44x = 10,698,031,595.32
  5. Step 5: Solve for x
    x = 10,698,031,595.32/129,880.44
  6. Step 6: Final answer
    x = 82,368.30

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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.