Home / 240,063.81-331,284.17-131,165.81

Finding the Fourth Proportional to 240,063.81, 331,284.17 and 131,165.81

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Solution

The fourth proportional to 240,063.81, 331,284.17 and 131,165.81 is: 181,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,063.81 : 331,284.17 = 131,165.81 : x
  2. Step 2: Convert to fraction form
    240,063.81/331,284.17 = 131,165.81/x
  3. Step 3: Cross multiply
    240,063.81x = 331,284.17 × 131,165.81
  4. Step 4: Simplify right side
    240,063.81x = 43,453,157,654.35
  5. Step 5: Solve for x
    x = 43,453,157,654.35/240,063.81
  6. Step 6: Final answer
    x = 181,006.70

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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.