Home / 144,945.56-200,026.86-87,576.86

Finding the Fourth Proportional to 144,945.56, 200,026.86 and 87,576.86

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Solution

The fourth proportional to 144,945.56, 200,026.86 and 87,576.86 is: 120,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,945.56 : 200,026.86 = 87,576.86 : x
  2. Step 2: Convert to fraction form
    144,945.56/200,026.86 = 87,576.86/x
  3. Step 3: Cross multiply
    144,945.56x = 200,026.86 × 87,576.86
  4. Step 4: Simplify right side
    144,945.56x = 17,517,724,314.46
  5. Step 5: Solve for x
    x = 17,517,724,314.46/144,945.56
  6. Step 6: Final answer
    x = 120,857.27

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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.