Home / 143,150.10-214,725.15-132,324.45

Finding the Fourth Proportional to 143,150.10, 214,725.15 and 132,324.45

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Solution

The fourth proportional to 143,150.10, 214,725.15 and 132,324.45 is: 198,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150.10 : 214,725.15 = 132,324.45 : x
  2. Step 2: Convert to fraction form
    143,150.10/214,725.15 = 132,324.45/x
  3. Step 3: Cross multiply
    143,150.10x = 214,725.15 × 132,324.45
  4. Step 4: Simplify right side
    143,150.10x = 28,413,387,374.92
  5. Step 5: Solve for x
    x = 28,413,387,374.92/143,150.10
  6. Step 6: Final answer
    x = 198,486.68

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1.5x scale

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.