Home / 170,372.43-235,105.54-98,775.72

Finding the Fourth Proportional to 170,372.43, 235,105.54 and 98,775.72

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Solution

The fourth proportional to 170,372.43, 235,105.54 and 98,775.72 is: 136,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,372.43 : 235,105.54 = 98,775.72 : x
  2. Step 2: Convert to fraction form
    170,372.43/235,105.54 = 98,775.72/x
  3. Step 3: Cross multiply
    170,372.43x = 235,105.54 × 98,775.72
  4. Step 4: Simplify right side
    170,372.43x = 23,222,718,742.55
  5. Step 5: Solve for x
    x = 23,222,718,742.55/170,372.43
  6. Step 6: Final answer
    x = 136,305.61

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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.