Home / 132,985.36-199,305.69-54,007.84

Finding the Fourth Proportional to 132,985.36, 199,305.69 and 54,007.84

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Solution

The fourth proportional to 132,985.36, 199,305.69 and 54,007.84 is: 80,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,985.36 : 199,305.69 = 54,007.84 : x
  2. Step 2: Convert to fraction form
    132,985.36/199,305.69 = 54,007.84/x
  3. Step 3: Cross multiply
    132,985.36x = 199,305.69 × 54,007.84
  4. Step 4: Simplify right side
    132,985.36x = 10,764,069,816.61
  5. Step 5: Solve for x
    x = 10,764,069,816.61/132,985.36
  6. Step 6: Final answer
    x = 80,941.77

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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.