Home / 199,132.81-274,802.45-108,488.50

Finding the Fourth Proportional to 199,132.81, 274,802.45 and 108,488.50

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Solution

The fourth proportional to 199,132.81, 274,802.45 and 108,488.50 is: 149,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,132.81 : 274,802.45 = 108,488.50 : x
  2. Step 2: Convert to fraction form
    199,132.81/274,802.45 = 108,488.50/x
  3. Step 3: Cross multiply
    199,132.81x = 274,802.45 × 108,488.50
  4. Step 4: Simplify right side
    199,132.81x = 29,812,904,494.03
  5. Step 5: Solve for x
    x = 29,812,904,494.03/199,132.81
  6. Step 6: Final answer
    x = 149,713.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.