Home / 145,662.41-201,033.29-82,012.61

Finding the Fourth Proportional to 145,662.41, 201,033.29 and 82,012.61

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Solution

The fourth proportional to 145,662.41, 201,033.29 and 82,012.61 is: 113,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.41 : 201,033.29 = 82,012.61 : x
  2. Step 2: Convert to fraction form
    145,662.41/201,033.29 = 82,012.61/x
  3. Step 3: Cross multiply
    145,662.41x = 201,033.29 × 82,012.61
  4. Step 4: Simplify right side
    145,662.41x = 16,487,264,809.79
  5. Step 5: Solve for x
    x = 16,487,264,809.79/145,662.41
  6. Step 6: Final answer
    x = 113,188.19

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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.