Home / 251,852.08-347,560.20-137,134

Finding the Fourth Proportional to 251,852.08, 347,560.20 and 137,134

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Solution

The fourth proportional to 251,852.08, 347,560.20 and 137,134 is: 189,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,852.08 : 347,560.20 = 137,134 : x
  2. Step 2: Convert to fraction form
    251,852.08/347,560.20 = 137,134/x
  3. Step 3: Cross multiply
    251,852.08x = 347,560.20 × 137,134
  4. Step 4: Simplify right side
    251,852.08x = 47,662,320,466.80
  5. Step 5: Solve for x
    x = 47,662,320,466.80/251,852.08
  6. Step 6: Final answer
    x = 189,247.28

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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.