Home / 140,374.35-193,713.50-76,712.60

Finding the Fourth Proportional to 140,374.35, 193,713.50 and 76,712.60

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Solution

The fourth proportional to 140,374.35, 193,713.50 and 76,712.60 is: 105,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,374.35 : 193,713.50 = 76,712.60 : x
  2. Step 2: Convert to fraction form
    140,374.35/193,713.50 = 76,712.60/x
  3. Step 3: Cross multiply
    140,374.35x = 193,713.50 × 76,712.60
  4. Step 4: Simplify right side
    140,374.35x = 14,860,264,887.97
  5. Step 5: Solve for x
    x = 14,860,264,887.97/140,374.35
  6. Step 6: Final answer
    x = 105,861.68

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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.