Home / 157,856.92-236,407.11-115,047.61

Finding the Fourth Proportional to 157,856.92, 236,407.11 and 115,047.61

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Solution

The fourth proportional to 157,856.92, 236,407.11 and 115,047.61 is: 172,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.92 : 236,407.11 = 115,047.61 : x
  2. Step 2: Convert to fraction form
    157,856.92/236,407.11 = 115,047.61/x
  3. Step 3: Cross multiply
    157,856.92x = 236,407.11 × 115,047.61
  4. Step 4: Simplify right side
    157,856.92x = 27,198,072,992.51
  5. Step 5: Solve for x
    x = 27,198,072,992.51/157,856.92
  6. Step 6: Final answer
    x = 172,295.73

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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.