Home / 148,811.83-205,361.83-80,829.44

Finding the Fourth Proportional to 148,811.83, 205,361.83 and 80,829.44

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Solution

The fourth proportional to 148,811.83, 205,361.83 and 80,829.44 is: 111,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,811.83 : 205,361.83 = 80,829.44 : x
  2. Step 2: Convert to fraction form
    148,811.83/205,361.83 = 80,829.44/x
  3. Step 3: Cross multiply
    148,811.83x = 205,361.83 × 80,829.44
  4. Step 4: Simplify right side
    148,811.83x = 16,599,282,715.77
  5. Step 5: Solve for x
    x = 16,599,282,715.77/148,811.83
  6. Step 6: Final answer
    x = 111,545.45

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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.