Home / 112,624.65-168,961.82-42,504.57

Finding the Fourth Proportional to 112,624.65, 168,961.82 and 42,504.57

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Solution

The fourth proportional to 112,624.65, 168,961.82 and 42,504.57 is: 63,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,624.65 : 168,961.82 = 42,504.57 : x
  2. Step 2: Convert to fraction form
    112,624.65/168,961.82 = 42,504.57/x
  3. Step 3: Cross multiply
    112,624.65x = 168,961.82 × 42,504.57
  4. Step 4: Simplify right side
    112,624.65x = 7,181,649,292.99
  5. Step 5: Solve for x
    x = 7,181,649,292.99/112,624.65
  6. Step 6: Final answer
    x = 63,766.23

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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.