Home / 132,889.58-183,391.31-81,215.04

Finding the Fourth Proportional to 132,889.58, 183,391.31 and 81,215.04

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Solution

The fourth proportional to 132,889.58, 183,391.31 and 81,215.04 is: 112,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,889.58 : 183,391.31 = 81,215.04 : x
  2. Step 2: Convert to fraction form
    132,889.58/183,391.31 = 81,215.04/x
  3. Step 3: Cross multiply
    132,889.58x = 183,391.31 × 81,215.04
  4. Step 4: Simplify right side
    132,889.58x = 14,894,132,171.23
  5. Step 5: Solve for x
    x = 14,894,132,171.23/132,889.58
  6. Step 6: Final answer
    x = 112,079.01

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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.