Home / 146,177.86-201,725.05-79,109.86

Finding the Fourth Proportional to 146,177.86, 201,725.05 and 79,109.86

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Solution

The fourth proportional to 146,177.86, 201,725.05 and 79,109.86 is: 109,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,177.86 : 201,725.05 = 79,109.86 : x
  2. Step 2: Convert to fraction form
    146,177.86/201,725.05 = 79,109.86/x
  3. Step 3: Cross multiply
    146,177.86x = 201,725.05 × 79,109.86
  4. Step 4: Simplify right side
    146,177.86x = 15,958,440,463.99
  5. Step 5: Solve for x
    x = 15,958,440,463.99/146,177.86
  6. Step 6: Final answer
    x = 109,171.39

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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.