Home / 251,341.58-346,842.60-138,163.52

Finding the Fourth Proportional to 251,341.58, 346,842.60 and 138,163.52

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Solution

The fourth proportional to 251,341.58, 346,842.60 and 138,163.52 is: 190,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,341.58 : 346,842.60 = 138,163.52 : x
  2. Step 2: Convert to fraction form
    251,341.58/346,842.60 = 138,163.52/x
  3. Step 3: Cross multiply
    251,341.58x = 346,842.60 × 138,163.52
  4. Step 4: Simplify right side
    251,341.58x = 47,920,994,501.95
  5. Step 5: Solve for x
    x = 47,920,994,501.95/251,341.58
  6. Step 6: Final answer
    x = 190,660.83

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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.