Home / 99,157.75-136,833.83-53,834.70

Finding the Fourth Proportional to 99,157.75, 136,833.83 and 53,834.70

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Solution

The fourth proportional to 99,157.75, 136,833.83 and 53,834.70 is: 74,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.75 : 136,833.83 = 53,834.70 : x
  2. Step 2: Convert to fraction form
    99,157.75/136,833.83 = 53,834.70/x
  3. Step 3: Cross multiply
    99,157.75x = 136,833.83 × 53,834.70
  4. Step 4: Simplify right side
    99,157.75x = 7,366,408,187.90
  5. Step 5: Solve for x
    x = 7,366,408,187.90/99,157.75
  6. Step 6: Final answer
    x = 74,289.79

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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.