Home / 251,943.30-347,681.73-138,766.05

Finding the Fourth Proportional to 251,943.30, 347,681.73 and 138,766.05

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Solution

The fourth proportional to 251,943.30, 347,681.73 and 138,766.05 is: 191,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,943.30 : 347,681.73 = 138,766.05 : x
  2. Step 2: Convert to fraction form
    251,943.30/347,681.73 = 138,766.05/x
  3. Step 3: Cross multiply
    251,943.30x = 347,681.73 × 138,766.05
  4. Step 4: Simplify right side
    251,943.30x = 48,246,420,329.27
  5. Step 5: Solve for x
    x = 48,246,420,329.27/251,943.30
  6. Step 6: Final answer
    x = 191,497.14

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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.