Home / 240,177.05-331,445.40-131,283.62

Finding the Fourth Proportional to 240,177.05, 331,445.40 and 131,283.62

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Solution

The fourth proportional to 240,177.05, 331,445.40 and 131,283.62 is: 181,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,177.05 : 331,445.40 = 131,283.62 : x
  2. Step 2: Convert to fraction form
    240,177.05/331,445.40 = 131,283.62/x
  3. Step 3: Cross multiply
    240,177.05x = 331,445.40 × 131,283.62
  4. Step 4: Simplify right side
    240,177.05x = 43,513,351,944.35
  5. Step 5: Solve for x
    x = 43,513,351,944.35/240,177.05
  6. Step 6: Final answer
    x = 181,171.98

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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.