Home / 251,970.60-347,719.46-138,793.35

Finding the Fourth Proportional to 251,970.60, 347,719.46 and 138,793.35

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Solution

The fourth proportional to 251,970.60, 347,719.46 and 138,793.35 is: 191,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,970.60 : 347,719.46 = 138,793.35 : x
  2. Step 2: Convert to fraction form
    251,970.60/347,719.46 = 138,793.35/x
  3. Step 3: Cross multiply
    251,970.60x = 347,719.46 × 138,793.35
  4. Step 4: Simplify right side
    251,970.60x = 48,261,148,019.62
  5. Step 5: Solve for x
    x = 48,261,148,019.62/251,970.60
  6. Step 6: Final answer
    x = 191,534.84

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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.