Home / 132,819.26-183,285.23-72,388.62

Finding the Fourth Proportional to 132,819.26, 183,285.23 and 72,388.62

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Solution

The fourth proportional to 132,819.26, 183,285.23 and 72,388.62 is: 99,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,819.26 : 183,285.23 = 72,388.62 : x
  2. Step 2: Convert to fraction form
    132,819.26/183,285.23 = 72,388.62/x
  3. Step 3: Cross multiply
    132,819.26x = 183,285.23 × 72,388.62
  4. Step 4: Simplify right side
    132,819.26x = 13,267,764,504.14
  5. Step 5: Solve for x
    x = 13,267,764,504.14/132,819.26
  6. Step 6: Final answer
    x = 99,893.38

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1.5x scale

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.