Home / 155,286.96-214,333.56-144,780.72

Finding the Fourth Proportional to 155,286.96, 214,333.56 and 144,780.72

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Solution

The fourth proportional to 155,286.96, 214,333.56 and 144,780.72 is: 199,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,286.96 : 214,333.56 = 144,780.72 : x
  2. Step 2: Convert to fraction form
    155,286.96/214,333.56 = 144,780.72/x
  3. Step 3: Cross multiply
    155,286.96x = 214,333.56 × 144,780.72
  4. Step 4: Simplify right side
    155,286.96x = 31,031,367,136.96
  5. Step 5: Solve for x
    x = 31,031,367,136.96/155,286.96
  6. Step 6: Final answer
    x = 199,832.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.