Home / 201,629.80-302,432.46-89,277.16

Finding the Fourth Proportional to 201,629.80, 302,432.46 and 89,277.16

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Solution

The fourth proportional to 201,629.80, 302,432.46 and 89,277.16 is: 133,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,629.80 : 302,432.46 = 89,277.16 : x
  2. Step 2: Convert to fraction form
    201,629.80/302,432.46 = 89,277.16/x
  3. Step 3: Cross multiply
    201,629.80x = 302,432.46 × 89,277.16
  4. Step 4: Simplify right side
    201,629.80x = 27,000,311,120.61
  5. Step 5: Solve for x
    x = 27,000,311,120.61/201,629.80
  6. Step 6: Final answer
    x = 133,910.32

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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.