Home / 201,976.20-302,769.90-156,972.60

Finding the Fourth Proportional to 201,976.20, 302,769.90 and 156,972.60

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Solution

The fourth proportional to 201,976.20, 302,769.90 and 156,972.60 is: 235,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,976.20 : 302,769.90 = 156,972.60 : x
  2. Step 2: Convert to fraction form
    201,976.20/302,769.90 = 156,972.60/x
  3. Step 3: Cross multiply
    201,976.20x = 302,769.90 × 156,972.60
  4. Step 4: Simplify right side
    201,976.20x = 47,526,578,404.74
  5. Step 5: Solve for x
    x = 47,526,578,404.74/201,976.20
  6. Step 6: Final answer
    x = 235,307.82

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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.