Home / 157,856.67-236,406.74-115,047.36

Finding the Fourth Proportional to 157,856.67, 236,406.74 and 115,047.36

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Solution

The fourth proportional to 157,856.67, 236,406.74 and 115,047.36 is: 172,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.67 : 236,406.74 = 115,047.36 : x
  2. Step 2: Convert to fraction form
    157,856.67/236,406.74 = 115,047.36/x
  3. Step 3: Cross multiply
    157,856.67x = 236,406.74 × 115,047.36
  4. Step 4: Simplify right side
    157,856.67x = 27,197,970,747.97
  5. Step 5: Solve for x
    x = 27,197,970,747.97/157,856.67
  6. Step 6: Final answer
    x = 172,295.35

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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.