Home / 240,655.14-331,999.82-145,108.76

Finding the Fourth Proportional to 240,655.14, 331,999.82 and 145,108.76

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Solution

The fourth proportional to 240,655.14, 331,999.82 and 145,108.76 is: 200,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,655.14 : 331,999.82 = 145,108.76 : x
  2. Step 2: Convert to fraction form
    240,655.14/331,999.82 = 145,108.76/x
  3. Step 3: Cross multiply
    240,655.14x = 331,999.82 × 145,108.76
  4. Step 4: Simplify right side
    240,655.14x = 48,176,082,200.42
  5. Step 5: Solve for x
    x = 48,176,082,200.42/240,655.14
  6. Step 6: Final answer
    x = 200,187.21

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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.