Home / 201,815.50-302,748.36-68,685.52

Finding the Fourth Proportional to 201,815.50, 302,748.36 and 68,685.52

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Solution

The fourth proportional to 201,815.50, 302,748.36 and 68,685.52 is: 103,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,815.50 : 302,748.36 = 68,685.52 : x
  2. Step 2: Convert to fraction form
    201,815.50/302,748.36 = 68,685.52/x
  3. Step 3: Cross multiply
    201,815.50x = 302,748.36 × 68,685.52
  4. Step 4: Simplify right side
    201,815.50x = 20,794,428,535.75
  5. Step 5: Solve for x
    x = 20,794,428,535.75/201,815.50
  6. Step 6: Final answer
    x = 103,036.83

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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.