Home / 140,043.90-210,093.16-45,297.56

Finding the Fourth Proportional to 140,043.90, 210,093.16 and 45,297.56

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Solution

The fourth proportional to 140,043.90, 210,093.16 and 45,297.56 is: 67,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,043.90 : 210,093.16 = 45,297.56 : x
  2. Step 2: Convert to fraction form
    140,043.90/210,093.16 = 45,297.56/x
  3. Step 3: Cross multiply
    140,043.90x = 210,093.16 × 45,297.56
  4. Step 4: Simplify right side
    140,043.90x = 9,516,707,520.69
  5. Step 5: Solve for x
    x = 9,516,707,520.69/140,043.90
  6. Step 6: Final answer
    x = 67,955.17

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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.