Home / 133,284.47-199,958.30-39,792.65

Finding the Fourth Proportional to 133,284.47, 199,958.30 and 39,792.65

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Solution

The fourth proportional to 133,284.47, 199,958.30 and 39,792.65 is: 59,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,284.47 : 199,958.30 = 39,792.65 : x
  2. Step 2: Convert to fraction form
    133,284.47/199,958.30 = 39,792.65/x
  3. Step 3: Cross multiply
    133,284.47x = 199,958.30 × 39,792.65
  4. Step 4: Simplify right side
    133,284.47x = 7,956,869,447.74
  5. Step 5: Solve for x
    x = 7,956,869,447.74/133,284.47
  6. Step 6: Final answer
    x = 59,698.40

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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.