Home / 134,819.60-186,145.10-83,855.23

Finding the Fourth Proportional to 134,819.60, 186,145.10 and 83,855.23

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Solution

The fourth proportional to 134,819.60, 186,145.10 and 83,855.23 is: 115,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,819.60 : 186,145.10 = 83,855.23 : x
  2. Step 2: Convert to fraction form
    134,819.60/186,145.10 = 83,855.23/x
  3. Step 3: Cross multiply
    134,819.60x = 186,145.10 × 83,855.23
  4. Step 4: Simplify right side
    134,819.60x = 15,609,240,768.68
  5. Step 5: Solve for x
    x = 15,609,240,768.68/134,819.60
  6. Step 6: Final answer
    x = 115,778.72

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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.