Home / 133,080.60-199,643.96-54,237.72

Finding the Fourth Proportional to 133,080.60, 199,643.96 and 54,237.72

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Solution

The fourth proportional to 133,080.60, 199,643.96 and 54,237.72 is: 81,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.60 : 199,643.96 = 54,237.72 : x
  2. Step 2: Convert to fraction form
    133,080.60/199,643.96 = 54,237.72/x
  3. Step 3: Cross multiply
    133,080.60x = 199,643.96 × 54,237.72
  4. Step 4: Simplify right side
    133,080.60x = 10,828,233,202.17
  5. Step 5: Solve for x
    x = 10,828,233,202.17/133,080.60
  6. Step 6: Final answer
    x = 81,365.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.