Home / 129,834.94-194,752.40-31,338.94

Finding the Fourth Proportional to 129,834.94, 194,752.40 and 31,338.94

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Solution

The fourth proportional to 129,834.94, 194,752.40 and 31,338.94 is: 47,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.94 : 194,752.40 = 31,338.94 : x
  2. Step 2: Convert to fraction form
    129,834.94/194,752.40 = 31,338.94/x
  3. Step 3: Cross multiply
    129,834.94x = 194,752.40 × 31,338.94
  4. Step 4: Simplify right side
    129,834.94x = 6,103,333,778.46
  5. Step 5: Solve for x
    x = 6,103,333,778.46/129,834.94
  6. Step 6: Final answer
    x = 47,008.41

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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.