Home / 253,749.36-350,148.60-140,550.96

Finding the Fourth Proportional to 253,749.36, 350,148.60 and 140,550.96

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Solution

The fourth proportional to 253,749.36, 350,148.60 and 140,550.96 is: 193,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,749.36 : 350,148.60 = 140,550.96 : x
  2. Step 2: Convert to fraction form
    253,749.36/350,148.60 = 140,550.96/x
  3. Step 3: Cross multiply
    253,749.36x = 350,148.60 × 140,550.96
  4. Step 4: Simplify right side
    253,749.36x = 49,213,721,872.66
  5. Step 5: Solve for x
    x = 49,213,721,872.66/253,749.36
  6. Step 6: Final answer
    x = 193,946.19

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1.5x scale

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.