Home / 140,266.89-210,064.39-102,214.15

Finding the Fourth Proportional to 140,266.89, 210,064.39 and 102,214.15

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Solution

The fourth proportional to 140,266.89, 210,064.39 and 102,214.15 is: 153,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,266.89 : 210,064.39 = 102,214.15 : x
  2. Step 2: Convert to fraction form
    140,266.89/210,064.39 = 102,214.15/x
  3. Step 3: Cross multiply
    140,266.89x = 210,064.39 × 102,214.15
  4. Step 4: Simplify right side
    140,266.89x = 21,471,553,470.03
  5. Step 5: Solve for x
    x = 21,471,553,470.03/140,266.89
  6. Step 6: Final answer
    x = 153,076.42

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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.