Home / 146,157.75-201,698.24-79,089.75

Finding the Fourth Proportional to 146,157.75, 201,698.24 and 79,089.75

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Solution

The fourth proportional to 146,157.75, 201,698.24 and 79,089.75 is: 109,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157.75 : 201,698.24 = 79,089.75 : x
  2. Step 2: Convert to fraction form
    146,157.75/201,698.24 = 79,089.75/x
  3. Step 3: Cross multiply
    146,157.75x = 201,698.24 × 79,089.75
  4. Step 4: Simplify right side
    146,157.75x = 15,952,262,981.59
  5. Step 5: Solve for x
    x = 15,952,262,981.59/146,157.75
  6. Step 6: Final answer
    x = 109,144.15

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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.