Home / 251,065.26-346,385.77-142,154.73

Finding the Fourth Proportional to 251,065.26, 346,385.77 and 142,154.73

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Solution

The fourth proportional to 251,065.26, 346,385.77 and 142,154.73 is: 196,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,065.26 : 346,385.77 = 142,154.73 : x
  2. Step 2: Convert to fraction form
    251,065.26/346,385.77 = 142,154.73/x
  3. Step 3: Cross multiply
    251,065.26x = 346,385.77 × 142,154.73
  4. Step 4: Simplify right side
    251,065.26x = 49,240,375,610.19
  5. Step 5: Solve for x
    x = 49,240,375,610.19/251,065.26
  6. Step 6: Final answer
    x = 196,125.80

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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.