Home / 140,508.20-210,719.82-73,911.62

Finding the Fourth Proportional to 140,508.20, 210,719.82 and 73,911.62

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Solution

The fourth proportional to 140,508.20, 210,719.82 and 73,911.62 is: 110,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,508.20 : 210,719.82 = 73,911.62 : x
  2. Step 2: Convert to fraction form
    140,508.20/210,719.82 = 73,911.62/x
  3. Step 3: Cross multiply
    140,508.20x = 210,719.82 × 73,911.62
  4. Step 4: Simplify right side
    140,508.20x = 15,574,643,262.31
  5. Step 5: Solve for x
    x = 15,574,643,262.31/140,508.20
  6. Step 6: Final answer
    x = 110,845.08

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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.