Home / 148,807.32-205,355.62-80,824.96

Finding the Fourth Proportional to 148,807.32, 205,355.62 and 80,824.96

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Solution

The fourth proportional to 148,807.32, 205,355.62 and 80,824.96 is: 111,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,807.32 : 205,355.62 = 80,824.96 : x
  2. Step 2: Convert to fraction form
    148,807.32/205,355.62 = 80,824.96/x
  3. Step 3: Cross multiply
    148,807.32x = 205,355.62 × 80,824.96
  4. Step 4: Simplify right side
    148,807.32x = 16,597,859,772.28
  5. Step 5: Solve for x
    x = 16,597,859,772.28/148,807.32
  6. Step 6: Final answer
    x = 111,539.27

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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.