Home / 139,927.68-193,094.28-76,263.96

Finding the Fourth Proportional to 139,927.68, 193,094.28 and 76,263.96

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Solution

The fourth proportional to 139,927.68, 193,094.28 and 76,263.96 is: 105,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,927.68 : 193,094.28 = 76,263.96 : x
  2. Step 2: Convert to fraction form
    139,927.68/193,094.28 = 76,263.96/x
  3. Step 3: Cross multiply
    139,927.68x = 193,094.28 × 76,263.96
  4. Step 4: Simplify right side
    139,927.68x = 14,726,134,446.15
  5. Step 5: Solve for x
    x = 14,726,134,446.15/139,927.68
  6. Step 6: Final answer
    x = 105,241.04

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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.