Home / 251,924.50-347,642.94-138,725.38

Finding the Fourth Proportional to 251,924.50, 347,642.94 and 138,725.38

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Solution

The fourth proportional to 251,924.50, 347,642.94 and 138,725.38 is: 191,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,924.50 : 347,642.94 = 138,725.38 : x
  2. Step 2: Convert to fraction form
    251,924.50/347,642.94 = 138,725.38/x
  3. Step 3: Cross multiply
    251,924.50x = 347,642.94 × 138,725.38
  4. Step 4: Simplify right side
    251,924.50x = 48,226,898,955.82
  5. Step 5: Solve for x
    x = 48,226,898,955.82/251,924.50
  6. Step 6: Final answer
    x = 191,433.94

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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.