Home / 109,903.32-164,740.05-50,777.78

Finding the Fourth Proportional to 109,903.32, 164,740.05 and 50,777.78

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Solution

The fourth proportional to 109,903.32, 164,740.05 and 50,777.78 is: 76,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.32 : 164,740.05 = 50,777.78 : x
  2. Step 2: Convert to fraction form
    109,903.32/164,740.05 = 50,777.78/x
  3. Step 3: Cross multiply
    109,903.32x = 164,740.05 × 50,777.78
  4. Step 4: Simplify right side
    109,903.32x = 8,365,133,192.39
  5. Step 5: Solve for x
    x = 8,365,133,192.39/109,903.32
  6. Step 6: Final answer
    x = 76,113.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.