Home / 143,100.80-197,376.52-88,635.36

Finding the Fourth Proportional to 143,100.80, 197,376.52 and 88,635.36

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Solution

The fourth proportional to 143,100.80, 197,376.52 and 88,635.36 is: 122,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,100.80 : 197,376.52 = 88,635.36 : x
  2. Step 2: Convert to fraction form
    143,100.80/197,376.52 = 88,635.36/x
  3. Step 3: Cross multiply
    143,100.80x = 197,376.52 × 88,635.36
  4. Step 4: Simplify right side
    143,100.80x = 17,494,538,905.75
  5. Step 5: Solve for x
    x = 17,494,538,905.75/143,100.80
  6. Step 6: Final answer
    x = 122,253.26

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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.