Home / 157,749.29-236,384.49-115,657.39

Finding the Fourth Proportional to 157,749.29, 236,384.49 and 115,657.39

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Solution

The fourth proportional to 157,749.29, 236,384.49 and 115,657.39 is: 173,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,749.29 : 236,384.49 = 115,657.39 : x
  2. Step 2: Convert to fraction form
    157,749.29/236,384.49 = 115,657.39/x
  3. Step 3: Cross multiply
    157,749.29x = 236,384.49 × 115,657.39
  4. Step 4: Simplify right side
    157,749.29x = 27,339,613,149.88
  5. Step 5: Solve for x
    x = 27,339,613,149.88/157,749.29
  6. Step 6: Final answer
    x = 173,310.53

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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.