Home / 140,061.45-210,092.18-51,278.97

Finding the Fourth Proportional to 140,061.45, 210,092.18 and 51,278.97

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Solution

The fourth proportional to 140,061.45, 210,092.18 and 51,278.97 is: 76,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,061.45 : 210,092.18 = 51,278.97 : x
  2. Step 2: Convert to fraction form
    140,061.45/210,092.18 = 51,278.97/x
  3. Step 3: Cross multiply
    140,061.45x = 210,092.18 × 51,278.97
  4. Step 4: Simplify right side
    140,061.45x = 10,773,310,595.45
  5. Step 5: Solve for x
    x = 10,773,310,595.45/140,061.45
  6. Step 6: Final answer
    x = 76,918.46

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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.