Home / 132,472.28-182,811.77-75,887.30

Finding the Fourth Proportional to 132,472.28, 182,811.77 and 75,887.30

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Solution

The fourth proportional to 132,472.28, 182,811.77 and 75,887.30 is: 104,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,472.28 : 182,811.77 = 75,887.30 : x
  2. Step 2: Convert to fraction form
    132,472.28/182,811.77 = 75,887.30/x
  3. Step 3: Cross multiply
    132,472.28x = 182,811.77 × 75,887.30
  4. Step 4: Simplify right side
    132,472.28x = 13,873,091,633.52
  5. Step 5: Solve for x
    x = 13,873,091,633.52/132,472.28
  6. Step 6: Final answer
    x = 104,724.49

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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.