Home / 253,420.26-349,720.38-140,243.01

Finding the Fourth Proportional to 253,420.26, 349,720.38 and 140,243.01

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Solution

The fourth proportional to 253,420.26, 349,720.38 and 140,243.01 is: 193,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,420.26 : 349,720.38 = 140,243.01 : x
  2. Step 2: Convert to fraction form
    253,420.26/349,720.38 = 140,243.01/x
  3. Step 3: Cross multiply
    253,420.26x = 349,720.38 × 140,243.01
  4. Step 4: Simplify right side
    253,420.26x = 49,045,838,749.54
  5. Step 5: Solve for x
    x = 49,045,838,749.54/253,420.26
  6. Step 6: Final answer
    x = 193,535.59

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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.