Home / 140,664.26-210,996.42-42,168.26

Finding the Fourth Proportional to 140,664.26, 210,996.42 and 42,168.26

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Solution

The fourth proportional to 140,664.26, 210,996.42 and 42,168.26 is: 63,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.26 : 210,996.42 = 42,168.26 : x
  2. Step 2: Convert to fraction form
    140,664.26/210,996.42 = 42,168.26/x
  3. Step 3: Cross multiply
    140,664.26x = 210,996.42 × 42,168.26
  4. Step 4: Simplify right side
    140,664.26x = 8,897,351,897.63
  5. Step 5: Solve for x
    x = 8,897,351,897.63/140,664.26
  6. Step 6: Final answer
    x = 63,252.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.