Home / 84,090.90-126,135.78-24,926.88

Finding the Fourth Proportional to 84,090.90, 126,135.78 and 24,926.88

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Solution

The fourth proportional to 84,090.90, 126,135.78 and 24,926.88 is: 37,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.90 : 126,135.78 = 24,926.88 : x
  2. Step 2: Convert to fraction form
    84,090.90/126,135.78 = 24,926.88/x
  3. Step 3: Cross multiply
    84,090.90x = 126,135.78 × 24,926.88
  4. Step 4: Simplify right side
    84,090.90x = 3,144,171,451.77
  5. Step 5: Solve for x
    x = 3,144,171,451.77/84,090.90
  6. Step 6: Final answer
    x = 37,390.15

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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.