Home / 251,285.60-346,770.10-138,105.92

Finding the Fourth Proportional to 251,285.60, 346,770.10 and 138,105.92

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Solution

The fourth proportional to 251,285.60, 346,770.10 and 138,105.92 is: 190,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,285.60 : 346,770.10 = 138,105.92 : x
  2. Step 2: Convert to fraction form
    251,285.60/346,770.10 = 138,105.92/x
  3. Step 3: Cross multiply
    251,285.60x = 346,770.10 × 138,105.92
  4. Step 4: Simplify right side
    251,285.60x = 47,891,003,688.99
  5. Step 5: Solve for x
    x = 47,891,003,688.99/251,285.60
  6. Step 6: Final answer
    x = 190,583.96

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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.