Home / 125,490.66-188,235.99-31,996.41

Finding the Fourth Proportional to 125,490.66, 188,235.99 and 31,996.41

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Solution

The fourth proportional to 125,490.66, 188,235.99 and 31,996.41 is: 47,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,490.66 : 188,235.99 = 31,996.41 : x
  2. Step 2: Convert to fraction form
    125,490.66/188,235.99 = 31,996.41/x
  3. Step 3: Cross multiply
    125,490.66x = 188,235.99 × 31,996.41
  4. Step 4: Simplify right side
    125,490.66x = 6,022,875,912.80
  5. Step 5: Solve for x
    x = 6,022,875,912.80/125,490.66
  6. Step 6: Final answer
    x = 47,994.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.