Home / 136,829.55-205,239.83-61,949.70

Finding the Fourth Proportional to 136,829.55, 205,239.83 and 61,949.70

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Solution

The fourth proportional to 136,829.55, 205,239.83 and 61,949.70 is: 92,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,829.55 : 205,239.83 = 61,949.70 : x
  2. Step 2: Convert to fraction form
    136,829.55/205,239.83 = 61,949.70/x
  3. Step 3: Cross multiply
    136,829.55x = 205,239.83 × 61,949.70
  4. Step 4: Simplify right side
    136,829.55x = 12,714,545,586.80
  5. Step 5: Solve for x
    x = 12,714,545,586.80/136,829.55
  6. Step 6: Final answer
    x = 92,922.51

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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.