Home / 129,697.04-194,478.26-49,711.39

Finding the Fourth Proportional to 129,697.04, 194,478.26 and 49,711.39

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Solution

The fourth proportional to 129,697.04, 194,478.26 and 49,711.39 is: 74,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,697.04 : 194,478.26 = 49,711.39 : x
  2. Step 2: Convert to fraction form
    129,697.04/194,478.26 = 49,711.39/x
  3. Step 3: Cross multiply
    129,697.04x = 194,478.26 × 49,711.39
  4. Step 4: Simplify right side
    129,697.04x = 9,667,783,894.63
  5. Step 5: Solve for x
    x = 9,667,783,894.63/129,697.04
  6. Step 6: Final answer
    x = 74,541.28

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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.