Home / 132,801.34-183,213.83-81,725.40

Finding the Fourth Proportional to 132,801.34, 183,213.83 and 81,725.40

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Solution

The fourth proportional to 132,801.34, 183,213.83 and 81,725.40 is: 112,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,801.34 : 183,213.83 = 81,725.40 : x
  2. Step 2: Convert to fraction form
    132,801.34/183,213.83 = 81,725.40/x
  3. Step 3: Cross multiply
    132,801.34x = 183,213.83 × 81,725.40
  4. Step 4: Simplify right side
    132,801.34x = 14,973,223,593.36
  5. Step 5: Solve for x
    x = 14,973,223,593.36/132,801.34
  6. Step 6: Final answer
    x = 112,749.04

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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.