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Finding the Fourth Proportional to 170,600, 235,428 and 95,148.56

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Solution

The fourth proportional to 170,600, 235,428 and 95,148.56 is: 131,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,600 : 235,428 = 95,148.56 : x
  2. Step 2: Convert to fraction form
    170,600/235,428 = 95,148.56/x
  3. Step 3: Cross multiply
    170,600x = 235,428 × 95,148.56
  4. Step 4: Simplify right side
    170,600x = 22,400,635,183.68
  5. Step 5: Solve for x
    x = 22,400,635,183.68/170,600
  6. Step 6: Final answer
    x = 131,305.01

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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.