Home / 148,852.56-205,415.82-80,869.08

Finding the Fourth Proportional to 148,852.56, 205,415.82 and 80,869.08

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Solution

The fourth proportional to 148,852.56, 205,415.82 and 80,869.08 is: 111,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,852.56 : 205,415.82 = 80,869.08 : x
  2. Step 2: Convert to fraction form
    148,852.56/205,415.82 = 80,869.08/x
  3. Step 3: Cross multiply
    148,852.56x = 205,415.82 × 80,869.08
  4. Step 4: Simplify right side
    148,852.56x = 16,611,788,380.85
  5. Step 5: Solve for x
    x = 16,611,788,380.85/148,852.56
  6. Step 6: Final answer
    x = 111,598.94

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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.