Home / 251,782.55-347,449.06-137,061.37

Finding the Fourth Proportional to 251,782.55, 347,449.06 and 137,061.37

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Solution

The fourth proportional to 251,782.55, 347,449.06 and 137,061.37 is: 189,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,782.55 : 347,449.06 = 137,061.37 : x
  2. Step 2: Convert to fraction form
    251,782.55/347,449.06 = 137,061.37/x
  3. Step 3: Cross multiply
    251,782.55x = 347,449.06 × 137,061.37
  4. Step 4: Simplify right side
    251,782.55x = 47,621,844,168.81
  5. Step 5: Solve for x
    x = 47,621,844,168.81/251,782.55
  6. Step 6: Final answer
    x = 189,138.78

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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.