Home / 98,769.88-148,162.38-42,611.32

Finding the Fourth Proportional to 98,769.88, 148,162.38 and 42,611.32

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Solution

The fourth proportional to 98,769.88, 148,162.38 and 42,611.32 is: 63,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,769.88 : 148,162.38 = 42,611.32 : x
  2. Step 2: Convert to fraction form
    98,769.88/148,162.38 = 42,611.32/x
  3. Step 3: Cross multiply
    98,769.88x = 148,162.38 × 42,611.32
  4. Step 4: Simplify right side
    98,769.88x = 6,313,394,586.14
  5. Step 5: Solve for x
    x = 6,313,394,586.14/98,769.88
  6. Step 6: Final answer
    x = 63,920.24

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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.