Home / 145,506.50-200,796.92-81,844.28

Finding the Fourth Proportional to 145,506.50, 200,796.92 and 81,844.28

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Solution

The fourth proportional to 145,506.50, 200,796.92 and 81,844.28 is: 112,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.50 : 200,796.92 = 81,844.28 : x
  2. Step 2: Convert to fraction form
    145,506.50/200,796.92 = 81,844.28/x
  3. Step 3: Cross multiply
    145,506.50x = 200,796.92 × 81,844.28
  4. Step 4: Simplify right side
    145,506.50x = 16,434,079,743.30
  5. Step 5: Solve for x
    x = 16,434,079,743.30/145,506.50
  6. Step 6: Final answer
    x = 112,943.95

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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.