Home / 168,859.88-253,196.18-69,090.12

Finding the Fourth Proportional to 168,859.88, 253,196.18 and 69,090.12

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Solution

The fourth proportional to 168,859.88, 253,196.18 and 69,090.12 is: 103,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,859.88 : 253,196.18 = 69,090.12 : x
  2. Step 2: Convert to fraction form
    168,859.88/253,196.18 = 69,090.12/x
  3. Step 3: Cross multiply
    168,859.88x = 253,196.18 × 69,090.12
  4. Step 4: Simplify right side
    168,859.88x = 17,493,354,459.74
  5. Step 5: Solve for x
    x = 17,493,354,459.74/168,859.88
  6. Step 6: Final answer
    x = 103,596.87

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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.