Home / 251,790.24-347,479-137,073.08

Finding the Fourth Proportional to 251,790.24, 347,479 and 137,073.08

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Solution

The fourth proportional to 251,790.24, 347,479 and 137,073.08 is: 189,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,790.24 : 347,479 = 137,073.08 : x
  2. Step 2: Convert to fraction form
    251,790.24/347,479 = 137,073.08/x
  3. Step 3: Cross multiply
    251,790.24x = 347,479 × 137,073.08
  4. Step 4: Simplify right side
    251,790.24x = 47,630,016,765.32
  5. Step 5: Solve for x
    x = 47,630,016,765.32/251,790.24
  6. Step 6: Final answer
    x = 189,165.46

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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.