Home / 132,989.44-183,500.25-79,279.51

Finding the Fourth Proportional to 132,989.44, 183,500.25 and 79,279.51

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Solution

The fourth proportional to 132,989.44, 183,500.25 and 79,279.51 is: 109,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,989.44 : 183,500.25 = 79,279.51 : x
  2. Step 2: Convert to fraction form
    132,989.44/183,500.25 = 79,279.51/x
  3. Step 3: Cross multiply
    132,989.44x = 183,500.25 × 79,279.51
  4. Step 4: Simplify right side
    132,989.44x = 14,547,809,904.88
  5. Step 5: Solve for x
    x = 14,547,809,904.88/132,989.44
  6. Step 6: Final answer
    x = 109,390.71

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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.