Home / 252,113-347,915.94-138,935.75

Finding the Fourth Proportional to 252,113, 347,915.94 and 138,935.75

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Solution

The fourth proportional to 252,113, 347,915.94 and 138,935.75 is: 191,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,113 : 347,915.94 = 138,935.75 : x
  2. Step 2: Convert to fraction form
    252,113/347,915.94 = 138,935.75/x
  3. Step 3: Cross multiply
    252,113x = 347,915.94 × 138,935.75
  4. Step 4: Simplify right side
    252,113x = 48,337,962,060.86
  5. Step 5: Solve for x
    x = 48,337,962,060.86/252,113
  6. Step 6: Final answer
    x = 191,731.34

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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.