Home / 76,176.34-114,338.40-36,761.20

Finding the Fourth Proportional to 76,176.34, 114,338.40 and 36,761.20

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Solution

The fourth proportional to 76,176.34, 114,338.40 and 36,761.20 is: 55,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.34 : 114,338.40 = 36,761.20 : x
  2. Step 2: Convert to fraction form
    76,176.34/114,338.40 = 36,761.20/x
  3. Step 3: Cross multiply
    76,176.34x = 114,338.40 × 36,761.20
  4. Step 4: Simplify right side
    76,176.34x = 4,203,216,790.08
  5. Step 5: Solve for x
    x = 4,203,216,790.08/76,176.34
  6. Step 6: Final answer
    x = 55,177.46

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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.