Home / 131,826.74-181,936.88-74,468.48

Finding the Fourth Proportional to 131,826.74, 181,936.88 and 74,468.48

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Solution

The fourth proportional to 131,826.74, 181,936.88 and 74,468.48 is: 102,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,826.74 : 181,936.88 = 74,468.48 : x
  2. Step 2: Convert to fraction form
    131,826.74/181,936.88 = 74,468.48/x
  3. Step 3: Cross multiply
    131,826.74x = 181,936.88 × 74,468.48
  4. Step 4: Simplify right side
    131,826.74x = 13,548,562,909.54
  5. Step 5: Solve for x
    x = 13,548,562,909.54/131,826.74
  6. Step 6: Final answer
    x = 102,775.53

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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.