Home / 129,501.26-194,268.90-45,262.88

Finding the Fourth Proportional to 129,501.26, 194,268.90 and 45,262.88

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Solution

The fourth proportional to 129,501.26, 194,268.90 and 45,262.88 is: 67,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,501.26 : 194,268.90 = 45,262.88 : x
  2. Step 2: Convert to fraction form
    129,501.26/194,268.90 = 45,262.88/x
  3. Step 3: Cross multiply
    129,501.26x = 194,268.90 × 45,262.88
  4. Step 4: Simplify right side
    129,501.26x = 8,793,169,908.43
  5. Step 5: Solve for x
    x = 8,793,169,908.43/129,501.26
  6. Step 6: Final answer
    x = 67,900.27

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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.