Home / 240,170.40-331,437.60-131,277.84

Finding the Fourth Proportional to 240,170.40, 331,437.60 and 131,277.84

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Solution

The fourth proportional to 240,170.40, 331,437.60 and 131,277.84 is: 181,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,170.40 : 331,437.60 = 131,277.84 : x
  2. Step 2: Convert to fraction form
    240,170.40/331,437.60 = 131,277.84/x
  3. Step 3: Cross multiply
    240,170.40x = 331,437.60 × 131,277.84
  4. Step 4: Simplify right side
    240,170.40x = 43,510,412,222.78
  5. Step 5: Solve for x
    x = 43,510,412,222.78/240,170.40
  6. Step 6: Final answer
    x = 181,164.76

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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.