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Finding the Fourth Proportional to 171,871.47, 237,179.04 and 95,386.11

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Solution

The fourth proportional to 171,871.47, 237,179.04 and 95,386.11 is: 131,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,871.47 : 237,179.04 = 95,386.11 : x
  2. Step 2: Convert to fraction form
    171,871.47/237,179.04 = 95,386.11/x
  3. Step 3: Cross multiply
    171,871.47x = 237,179.04 × 95,386.11
  4. Step 4: Simplify right side
    171,871.47x = 22,623,585,999.13
  5. Step 5: Solve for x
    x = 22,623,585,999.13/171,871.47
  6. Step 6: Final answer
    x = 131,630.84

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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.