Home / 137,384.34-206,106.03-42,612.54

Finding the Fourth Proportional to 137,384.34, 206,106.03 and 42,612.54

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Solution

The fourth proportional to 137,384.34, 206,106.03 and 42,612.54 is: 63,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,384.34 : 206,106.03 = 42,612.54 : x
  2. Step 2: Convert to fraction form
    137,384.34/206,106.03 = 42,612.54/x
  3. Step 3: Cross multiply
    137,384.34x = 206,106.03 × 42,612.54
  4. Step 4: Simplify right side
    137,384.34x = 8,782,701,447.62
  5. Step 5: Solve for x
    x = 8,782,701,447.62/137,384.34
  6. Step 6: Final answer
    x = 63,927.97

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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.