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Finding the Fourth Proportional to 170,952.60, 235,780.08 and 159,493.56

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Solution

The fourth proportional to 170,952.60, 235,780.08 and 159,493.56 is: 219,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,952.60 : 235,780.08 = 159,493.56 : x
  2. Step 2: Convert to fraction form
    170,952.60/235,780.08 = 159,493.56/x
  3. Step 3: Cross multiply
    170,952.60x = 235,780.08 × 159,493.56
  4. Step 4: Simplify right side
    170,952.60x = 37,605,404,336.28
  5. Step 5: Solve for x
    x = 37,605,404,336.28/170,952.60
  6. Step 6: Final answer
    x = 219,975.62

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1.5x scale

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.