Home / 252,146.24-347,960.76-138,968.72

Finding the Fourth Proportional to 252,146.24, 347,960.76 and 138,968.72

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Solution

The fourth proportional to 252,146.24, 347,960.76 and 138,968.72 is: 191,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,146.24 : 347,960.76 = 138,968.72 : x
  2. Step 2: Convert to fraction form
    252,146.24/347,960.76 = 138,968.72/x
  3. Step 3: Cross multiply
    252,146.24x = 347,960.76 × 138,968.72
  4. Step 4: Simplify right side
    252,146.24x = 48,355,661,427.43
  5. Step 5: Solve for x
    x = 48,355,661,427.43/252,146.24
  6. Step 6: Final answer
    x = 191,776.25

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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.