Home / 102,091.24-153,134.94-55,639.72

Finding the Fourth Proportional to 102,091.24, 153,134.94 and 55,639.72

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Solution

The fourth proportional to 102,091.24, 153,134.94 and 55,639.72 is: 83,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,091.24 : 153,134.94 = 55,639.72 : x
  2. Step 2: Convert to fraction form
    102,091.24/153,134.94 = 55,639.72/x
  3. Step 3: Cross multiply
    102,091.24x = 153,134.94 × 55,639.72
  4. Step 4: Simplify right side
    102,091.24x = 8,520,385,183.82
  5. Step 5: Solve for x
    x = 8,520,385,183.82/102,091.24
  6. Step 6: Final answer
    x = 83,458.53

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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.