Home / 240,452.60-331,752.94-138,475.36

Finding the Fourth Proportional to 240,452.60, 331,752.94 and 138,475.36

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Solution

The fourth proportional to 240,452.60, 331,752.94 and 138,475.36 is: 191,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,452.60 : 331,752.94 = 138,475.36 : x
  2. Step 2: Convert to fraction form
    240,452.60/331,752.94 = 138,475.36/x
  3. Step 3: Cross multiply
    240,452.60x = 331,752.94 × 138,475.36
  4. Step 4: Simplify right side
    240,452.60x = 45,939,607,797.56
  5. Step 5: Solve for x
    x = 45,939,607,797.56/240,452.60
  6. Step 6: Final answer
    x = 191,054.74

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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.