Home / 147,824.31-203,998.46-80,756.31

Finding the Fourth Proportional to 147,824.31, 203,998.46 and 80,756.31

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Solution

The fourth proportional to 147,824.31, 203,998.46 and 80,756.31 is: 111,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,824.31 : 203,998.46 = 80,756.31 : x
  2. Step 2: Convert to fraction form
    147,824.31/203,998.46 = 80,756.31/x
  3. Step 3: Cross multiply
    147,824.31x = 203,998.46 × 80,756.31
  4. Step 4: Simplify right side
    147,824.31x = 16,474,162,875.28
  5. Step 5: Solve for x
    x = 16,474,162,875.28/147,824.31
  6. Step 6: Final answer
    x = 111,444.21

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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.