Home / 129,643.50-194,498.06-36,149.25

Finding the Fourth Proportional to 129,643.50, 194,498.06 and 36,149.25

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Solution

The fourth proportional to 129,643.50, 194,498.06 and 36,149.25 is: 54,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,643.50 : 194,498.06 = 36,149.25 : x
  2. Step 2: Convert to fraction form
    129,643.50/194,498.06 = 36,149.25/x
  3. Step 3: Cross multiply
    129,643.50x = 194,498.06 × 36,149.25
  4. Step 4: Simplify right side
    129,643.50x = 7,030,958,814.71
  5. Step 5: Solve for x
    x = 7,030,958,814.71/129,643.50
  6. Step 6: Final answer
    x = 54,233.02

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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.