Home / 251,129.60-376,530.83-91,175.46

Finding the Fourth Proportional to 251,129.60, 376,530.83 and 91,175.46

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Solution

The fourth proportional to 251,129.60, 376,530.83 and 91,175.46 is: 136,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,129.60 : 376,530.83 = 91,175.46 : x
  2. Step 2: Convert to fraction form
    251,129.60/376,530.83 = 91,175.46/x
  3. Step 3: Cross multiply
    251,129.60x = 376,530.83 × 91,175.46
  4. Step 4: Simplify right side
    251,129.60x = 34,330,370,103.47
  5. Step 5: Solve for x
    x = 34,330,370,103.47/251,129.60
  6. Step 6: Final answer
    x = 136,703.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.