Home / 240,146.37-331,403.02-131,252.90

Finding the Fourth Proportional to 240,146.37, 331,403.02 and 131,252.90

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Solution

The fourth proportional to 240,146.37, 331,403.02 and 131,252.90 is: 181,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,146.37 : 331,403.02 = 131,252.90 : x
  2. Step 2: Convert to fraction form
    240,146.37/331,403.02 = 131,252.90/x
  3. Step 3: Cross multiply
    240,146.37x = 331,403.02 × 131,252.90
  4. Step 4: Simplify right side
    240,146.37x = 43,497,607,443.76
  5. Step 5: Solve for x
    x = 43,497,607,443.76/240,146.37
  6. Step 6: Final answer
    x = 181,129.56

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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.