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Finding the Fourth Proportional to 170,988.66, 235,968.21 and 95,536.98

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Solution

The fourth proportional to 170,988.66, 235,968.21 and 95,536.98 is: 131,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,988.66 : 235,968.21 = 95,536.98 : x
  2. Step 2: Convert to fraction form
    170,988.66/235,968.21 = 95,536.98/x
  3. Step 3: Cross multiply
    170,988.66x = 235,968.21 × 95,536.98
  4. Step 4: Simplify right side
    170,988.66x = 22,543,690,159.41
  5. Step 5: Solve for x
    x = 22,543,690,159.41/170,988.66
  6. Step 6: Final answer
    x = 131,843.19

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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.