Home / 166,820.99-230,213.09-90,340.68

Finding the Fourth Proportional to 166,820.99, 230,213.09 and 90,340.68

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Solution

The fourth proportional to 166,820.99, 230,213.09 and 90,340.68 is: 124,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,820.99 : 230,213.09 = 90,340.68 : x
  2. Step 2: Convert to fraction form
    166,820.99/230,213.09 = 90,340.68/x
  3. Step 3: Cross multiply
    166,820.99x = 230,213.09 × 90,340.68
  4. Step 4: Simplify right side
    166,820.99x = 20,797,606,643.80
  5. Step 5: Solve for x
    x = 20,797,606,643.80/166,820.99
  6. Step 6: Final answer
    x = 124,670.21

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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.