Home / 236,942.35-355,475.84-85,154.76

Finding the Fourth Proportional to 236,942.35, 355,475.84 and 85,154.76

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Solution

The fourth proportional to 236,942.35, 355,475.84 and 85,154.76 is: 127,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,942.35 : 355,475.84 = 85,154.76 : x
  2. Step 2: Convert to fraction form
    236,942.35/355,475.84 = 85,154.76/x
  3. Step 3: Cross multiply
    236,942.35x = 355,475.84 × 85,154.76
  4. Step 4: Simplify right side
    236,942.35x = 30,270,459,841.00
  5. Step 5: Solve for x
    x = 30,270,459,841.00/236,942.35
  6. Step 6: Final answer
    x = 127,754.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.