Home / 140,629.48-210,943.90-35,456.68

Finding the Fourth Proportional to 140,629.48, 210,943.90 and 35,456.68

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Solution

The fourth proportional to 140,629.48, 210,943.90 and 35,456.68 is: 53,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629.48 : 210,943.90 = 35,456.68 : x
  2. Step 2: Convert to fraction form
    140,629.48/210,943.90 = 35,456.68/x
  3. Step 3: Cross multiply
    140,629.48x = 210,943.90 × 35,456.68
  4. Step 4: Simplify right side
    140,629.48x = 7,479,370,360.25
  5. Step 5: Solve for x
    x = 7,479,370,360.25/140,629.48
  6. Step 6: Final answer
    x = 53,184.94

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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.