Home / 129,911.04-194,715.23-55,006.29

Finding the Fourth Proportional to 129,911.04, 194,715.23 and 55,006.29

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Solution

The fourth proportional to 129,911.04, 194,715.23 and 55,006.29 is: 82,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,911.04 : 194,715.23 = 55,006.29 : x
  2. Step 2: Convert to fraction form
    129,911.04/194,715.23 = 55,006.29/x
  3. Step 3: Cross multiply
    129,911.04x = 194,715.23 × 55,006.29
  4. Step 4: Simplify right side
    129,911.04x = 10,710,562,133.77
  5. Step 5: Solve for x
    x = 10,710,562,133.77/129,911.04
  6. Step 6: Final answer
    x = 82,445.36

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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.