Home / 132,833.70-183,309.24-72,404.34

Finding the Fourth Proportional to 132,833.70, 183,309.24 and 72,404.34

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Solution

The fourth proportional to 132,833.70, 183,309.24 and 72,404.34 is: 99,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,833.70 : 183,309.24 = 72,404.34 : x
  2. Step 2: Convert to fraction form
    132,833.70/183,309.24 = 72,404.34/x
  3. Step 3: Cross multiply
    132,833.70x = 183,309.24 × 72,404.34
  4. Step 4: Simplify right side
    132,833.70x = 13,272,384,538.10
  5. Step 5: Solve for x
    x = 13,272,384,538.10/132,833.70
  6. Step 6: Final answer
    x = 99,917.30

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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.