Home / 240,151.86-331,410.65-131,258.43

Finding the Fourth Proportional to 240,151.86, 331,410.65 and 131,258.43

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Solution

The fourth proportional to 240,151.86, 331,410.65 and 131,258.43 is: 181,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,151.86 : 331,410.65 = 131,258.43 : x
  2. Step 2: Convert to fraction form
    240,151.86/331,410.65 = 131,258.43/x
  3. Step 3: Cross multiply
    240,151.86x = 331,410.65 × 131,258.43
  4. Step 4: Simplify right side
    240,151.86x = 43,500,440,947.99
  5. Step 5: Solve for x
    x = 43,500,440,947.99/240,151.86
  6. Step 6: Final answer
    x = 181,137.22

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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.