Home / 132,749.67-183,192.41-72,321.04

Finding the Fourth Proportional to 132,749.67, 183,192.41 and 72,321.04

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Solution

The fourth proportional to 132,749.67, 183,192.41 and 72,321.04 is: 99,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,749.67 : 183,192.41 = 72,321.04 : x
  2. Step 2: Convert to fraction form
    132,749.67/183,192.41 = 72,321.04/x
  3. Step 3: Cross multiply
    132,749.67x = 183,192.41 × 72,321.04
  4. Step 4: Simplify right side
    132,749.67x = 13,248,664,333.74
  5. Step 5: Solve for x
    x = 13,248,664,333.74/132,749.67
  6. Step 6: Final answer
    x = 99,801.86

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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.