Home / 201,630.30-302,433.21-89,277.66

Finding the Fourth Proportional to 201,630.30, 302,433.21 and 89,277.66

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Solution

The fourth proportional to 201,630.30, 302,433.21 and 89,277.66 is: 133,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,630.30 : 302,433.21 = 89,277.66 : x
  2. Step 2: Convert to fraction form
    201,630.30/302,433.21 = 89,277.66/x
  3. Step 3: Cross multiply
    201,630.30x = 302,433.21 × 89,277.66
  4. Step 4: Simplify right side
    201,630.30x = 27,000,529,295.09
  5. Step 5: Solve for x
    x = 27,000,529,295.09/201,630.30
  6. Step 6: Final answer
    x = 133,911.07

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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.