Home / 240,406.93-331,769.76-137,056.41

Finding the Fourth Proportional to 240,406.93, 331,769.76 and 137,056.41

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Solution

The fourth proportional to 240,406.93, 331,769.76 and 137,056.41 is: 189,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,406.93 : 331,769.76 = 137,056.41 : x
  2. Step 2: Convert to fraction form
    240,406.93/331,769.76 = 137,056.41/x
  3. Step 3: Cross multiply
    240,406.93x = 331,769.76 × 137,056.41
  4. Step 4: Simplify right side
    240,406.93x = 45,471,171,080.10
  5. Step 5: Solve for x
    x = 45,471,171,080.10/240,406.93
  6. Step 6: Final answer
    x = 189,142.52

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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.