Home / 171,869.56-257,774.60-45,511.62

Finding the Fourth Proportional to 171,869.56, 257,774.60 and 45,511.62

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Solution

The fourth proportional to 171,869.56, 257,774.60 and 45,511.62 is: 68,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,869.56 : 257,774.60 = 45,511.62 : x
  2. Step 2: Convert to fraction form
    171,869.56/257,774.60 = 45,511.62/x
  3. Step 3: Cross multiply
    171,869.56x = 257,774.60 × 45,511.62
  4. Step 4: Simplify right side
    171,869.56x = 11,731,739,640.85
  5. Step 5: Solve for x
    x = 11,731,739,640.85/171,869.56
  6. Step 6: Final answer
    x = 68,259.55

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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.