Home / 132,871.27-183,359.89-72,442.44

Finding the Fourth Proportional to 132,871.27, 183,359.89 and 72,442.44

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Solution

The fourth proportional to 132,871.27, 183,359.89 and 72,442.44 is: 99,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.27 : 183,359.89 = 72,442.44 : x
  2. Step 2: Convert to fraction form
    132,871.27/183,359.89 = 72,442.44/x
  3. Step 3: Cross multiply
    132,871.27x = 183,359.89 × 72,442.44
  4. Step 4: Simplify right side
    132,871.27x = 13,283,037,304.83
  5. Step 5: Solve for x
    x = 13,283,037,304.83/132,871.27
  6. Step 6: Final answer
    x = 99,969.22

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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.