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Finding the Fourth Proportional to 170,833.12, 235,749.12 and 95,380.96

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Solution

The fourth proportional to 170,833.12, 235,749.12 and 95,380.96 is: 131,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,833.12 : 235,749.12 = 95,380.96 : x
  2. Step 2: Convert to fraction form
    170,833.12/235,749.12 = 95,380.96/x
  3. Step 3: Cross multiply
    170,833.12x = 235,749.12 × 95,380.96
  4. Step 4: Simplify right side
    170,833.12x = 22,485,977,384.76
  5. Step 5: Solve for x
    x = 22,485,977,384.76/170,833.12
  6. Step 6: Final answer
    x = 131,625.40

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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.