Home / 240,249.01-331,627.13-138,315.10

Finding the Fourth Proportional to 240,249.01, 331,627.13 and 138,315.10

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Solution

The fourth proportional to 240,249.01, 331,627.13 and 138,315.10 is: 190,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,249.01 : 331,627.13 = 138,315.10 : x
  2. Step 2: Convert to fraction form
    240,249.01/331,627.13 = 138,315.10/x
  3. Step 3: Cross multiply
    240,249.01x = 331,627.13 × 138,315.10
  4. Step 4: Simplify right side
    240,249.01x = 45,869,039,648.66
  5. Step 5: Solve for x
    x = 45,869,039,648.66/240,249.01
  6. Step 6: Final answer
    x = 190,922.91

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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.