Home / 253,605.21-349,975.17-140,427.96

Finding the Fourth Proportional to 253,605.21, 349,975.17 and 140,427.96

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Solution

The fourth proportional to 253,605.21, 349,975.17 and 140,427.96 is: 193,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,605.21 : 349,975.17 = 140,427.96 : x
  2. Step 2: Convert to fraction form
    253,605.21/349,975.17 = 140,427.96/x
  3. Step 3: Cross multiply
    253,605.21x = 349,975.17 × 140,427.96
  4. Step 4: Simplify right side
    253,605.21x = 49,146,299,173.75
  5. Step 5: Solve for x
    x = 49,146,299,173.75/253,605.21
  6. Step 6: Final answer
    x = 193,790.57

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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.