Home / 251,453.43-347,006.13-136,731.95

Finding the Fourth Proportional to 251,453.43, 347,006.13 and 136,731.95

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Solution

The fourth proportional to 251,453.43, 347,006.13 and 136,731.95 is: 188,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,453.43 : 347,006.13 = 136,731.95 : x
  2. Step 2: Convert to fraction form
    251,453.43/347,006.13 = 136,731.95/x
  3. Step 3: Cross multiply
    251,453.43x = 347,006.13 × 136,731.95
  4. Step 4: Simplify right side
    251,453.43x = 47,446,823,870.35
  5. Step 5: Solve for x
    x = 47,446,823,870.35/251,453.43
  6. Step 6: Final answer
    x = 188,690.30

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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.