Home / 135,879.72-203,741.82-56,927.40

Finding the Fourth Proportional to 135,879.72, 203,741.82 and 56,927.40

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Solution

The fourth proportional to 135,879.72, 203,741.82 and 56,927.40 is: 85,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,879.72 : 203,741.82 = 56,927.40 : x
  2. Step 2: Convert to fraction form
    135,879.72/203,741.82 = 56,927.40/x
  3. Step 3: Cross multiply
    135,879.72x = 203,741.82 × 56,927.40
  4. Step 4: Simplify right side
    135,879.72x = 11,598,492,083.87
  5. Step 5: Solve for x
    x = 11,598,492,083.87/135,879.72
  6. Step 6: Final answer
    x = 85,358.52

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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.