Home / 251,340.83-346,841.56-138,162.77

Finding the Fourth Proportional to 251,340.83, 346,841.56 and 138,162.77

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Solution

The fourth proportional to 251,340.83, 346,841.56 and 138,162.77 is: 190,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,340.83 : 346,841.56 = 138,162.77 : x
  2. Step 2: Convert to fraction form
    251,340.83/346,841.56 = 138,162.77/x
  3. Step 3: Cross multiply
    251,340.83x = 346,841.56 × 138,162.77
  4. Step 4: Simplify right side
    251,340.83x = 47,920,590,680.72
  5. Step 5: Solve for x
    x = 47,920,590,680.72/251,340.83
  6. Step 6: Final answer
    x = 190,659.79

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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.