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Finding the Fourth Proportional to 199,973.81, 300,071.43 and 119,814.80

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Solution

The fourth proportional to 199,973.81, 300,071.43 and 119,814.80 is: 179,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,973.81 : 300,071.43 = 119,814.80 : x
  2. Step 2: Convert to fraction form
    199,973.81/300,071.43 = 119,814.80/x
  3. Step 3: Cross multiply
    199,973.81x = 300,071.43 × 119,814.80
  4. Step 4: Simplify right side
    199,973.81x = 35,952,996,870.81
  5. Step 5: Solve for x
    x = 35,952,996,870.81/199,973.81
  6. Step 6: Final answer
    x = 179,788.53

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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.