Home / 240,317.26-331,639.54-131,422.08

Finding the Fourth Proportional to 240,317.26, 331,639.54 and 131,422.08

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Solution

The fourth proportional to 240,317.26, 331,639.54 and 131,422.08 is: 181,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,317.26 : 331,639.54 = 131,422.08 : x
  2. Step 2: Convert to fraction form
    240,317.26/331,639.54 = 131,422.08/x
  3. Step 3: Cross multiply
    240,317.26x = 331,639.54 × 131,422.08
  4. Step 4: Simplify right side
    240,317.26x = 43,584,758,157.04
  5. Step 5: Solve for x
    x = 43,584,758,157.04/240,317.26
  6. Step 6: Final answer
    x = 181,363.41

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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.