Home / 143,237.90-197,673.46-82,827.50

Finding the Fourth Proportional to 143,237.90, 197,673.46 and 82,827.50

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Solution

The fourth proportional to 143,237.90, 197,673.46 and 82,827.50 is: 114,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,237.90 : 197,673.46 = 82,827.50 : x
  2. Step 2: Convert to fraction form
    143,237.90/197,673.46 = 82,827.50/x
  3. Step 3: Cross multiply
    143,237.90x = 197,673.46 × 82,827.50
  4. Step 4: Simplify right side
    143,237.90x = 16,372,798,508.15
  5. Step 5: Solve for x
    x = 16,372,798,508.15/143,237.90
  6. Step 6: Final answer
    x = 114,304.93

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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.