Home / 260,646.05-391,001.27-92,131.62

Finding the Fourth Proportional to 260,646.05, 391,001.27 and 92,131.62

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Solution

The fourth proportional to 260,646.05, 391,001.27 and 92,131.62 is: 138,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,646.05 : 391,001.27 = 92,131.62 : x
  2. Step 2: Convert to fraction form
    260,646.05/391,001.27 = 92,131.62/x
  3. Step 3: Cross multiply
    260,646.05x = 391,001.27 × 92,131.62
  4. Step 4: Simplify right side
    260,646.05x = 36,023,579,966.50
  5. Step 5: Solve for x
    x = 36,023,579,966.50/260,646.05
  6. Step 6: Final answer
    x = 138,208.81

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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.