Home / 251,340.89-346,841.65-138,162.83

Finding the Fourth Proportional to 251,340.89, 346,841.65 and 138,162.83

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Solution

The fourth proportional to 251,340.89, 346,841.65 and 138,162.83 is: 190,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,340.89 : 346,841.65 = 138,162.83 : x
  2. Step 2: Convert to fraction form
    251,340.89/346,841.65 = 138,162.83/x
  3. Step 3: Cross multiply
    251,340.89x = 346,841.65 × 138,162.83
  4. Step 4: Simplify right side
    251,340.89x = 47,920,624,447.57
  5. Step 5: Solve for x
    x = 47,920,624,447.57/251,340.89
  6. Step 6: Final answer
    x = 190,659.88

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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.