Home / 142,412.74-196,350.96-91,335.35

Finding the Fourth Proportional to 142,412.74, 196,350.96 and 91,335.35

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Solution

The fourth proportional to 142,412.74, 196,350.96 and 91,335.35 is: 125,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,412.74 : 196,350.96 = 91,335.35 : x
  2. Step 2: Convert to fraction form
    142,412.74/196,350.96 = 91,335.35/x
  3. Step 3: Cross multiply
    142,412.74x = 196,350.96 × 91,335.35
  4. Step 4: Simplify right side
    142,412.74x = 17,933,783,654.44
  5. Step 5: Solve for x
    x = 17,933,783,654.44/142,412.74
  6. Step 6: Final answer
    x = 125,928.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.