Home / 132,717.56-183,147.68-72,287.51

Finding the Fourth Proportional to 132,717.56, 183,147.68 and 72,287.51

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Solution

The fourth proportional to 132,717.56, 183,147.68 and 72,287.51 is: 99,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,717.56 : 183,147.68 = 72,287.51 : x
  2. Step 2: Convert to fraction form
    132,717.56/183,147.68 = 72,287.51/x
  3. Step 3: Cross multiply
    132,717.56x = 183,147.68 × 72,287.51
  4. Step 4: Simplify right side
    132,717.56x = 13,239,289,014.46
  5. Step 5: Solve for x
    x = 13,239,289,014.46/132,717.56
  6. Step 6: Final answer
    x = 99,755.37

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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.