Home / 140,103.18-210,297.73-102,551.71

Finding the Fourth Proportional to 140,103.18, 210,297.73 and 102,551.71

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Solution

The fourth proportional to 140,103.18, 210,297.73 and 102,551.71 is: 153,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,103.18 : 210,297.73 = 102,551.71 : x
  2. Step 2: Convert to fraction form
    140,103.18/210,297.73 = 102,551.71/x
  3. Step 3: Cross multiply
    140,103.18x = 210,297.73 × 102,551.71
  4. Step 4: Simplify right side
    140,103.18x = 21,566,391,820.62
  5. Step 5: Solve for x
    x = 21,566,391,820.62/140,103.18
  6. Step 6: Final answer
    x = 153,932.21

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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.