Home / 251,907.24-347,632.02-138,729

Finding the Fourth Proportional to 251,907.24, 347,632.02 and 138,729

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Solution

The fourth proportional to 251,907.24, 347,632.02 and 138,729 is: 191,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,907.24 : 347,632.02 = 138,729 : x
  2. Step 2: Convert to fraction form
    251,907.24/347,632.02 = 138,729/x
  3. Step 3: Cross multiply
    251,907.24x = 347,632.02 × 138,729
  4. Step 4: Simplify right side
    251,907.24x = 48,226,642,502.58
  5. Step 5: Solve for x
    x = 48,226,642,502.58/251,907.24
  6. Step 6: Final answer
    x = 191,446.04

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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.