Home / 137,384.13-206,105.81-42,612.44

Finding the Fourth Proportional to 137,384.13, 206,105.81 and 42,612.44

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Solution

The fourth proportional to 137,384.13, 206,105.81 and 42,612.44 is: 63,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,384.13 : 206,105.81 = 42,612.44 : x
  2. Step 2: Convert to fraction form
    137,384.13/206,105.81 = 42,612.44/x
  3. Step 3: Cross multiply
    137,384.13x = 206,105.81 × 42,612.44
  4. Step 4: Simplify right side
    137,384.13x = 8,782,670,218.69
  5. Step 5: Solve for x
    x = 8,782,670,218.69/137,384.13
  6. Step 6: Final answer
    x = 63,927.84

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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.