Home / 129,814.02-194,741.04-54,934.56

Finding the Fourth Proportional to 129,814.02, 194,741.04 and 54,934.56

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Solution

The fourth proportional to 129,814.02, 194,741.04 and 54,934.56 is: 82,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,814.02 : 194,741.04 = 54,934.56 : x
  2. Step 2: Convert to fraction form
    129,814.02/194,741.04 = 54,934.56/x
  3. Step 3: Cross multiply
    129,814.02x = 194,741.04 × 54,934.56
  4. Step 4: Simplify right side
    129,814.02x = 10,698,013,346.34
  5. Step 5: Solve for x
    x = 10,698,013,346.34/129,814.02
  6. Step 6: Final answer
    x = 82,410.31

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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.