Home / 145,949.46-201,405.69-82,286.34

Finding the Fourth Proportional to 145,949.46, 201,405.69 and 82,286.34

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Solution

The fourth proportional to 145,949.46, 201,405.69 and 82,286.34 is: 113,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949.46 : 201,405.69 = 82,286.34 : x
  2. Step 2: Convert to fraction form
    145,949.46/201,405.69 = 82,286.34/x
  3. Step 3: Cross multiply
    145,949.46x = 201,405.69 × 82,286.34
  4. Step 4: Simplify right side
    145,949.46x = 16,572,937,085.27
  5. Step 5: Solve for x
    x = 16,572,937,085.27/145,949.46
  6. Step 6: Final answer
    x = 113,552.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.