Home / 321,176.42-481,727.10-129,043.07

Finding the Fourth Proportional to 321,176.42, 481,727.10 and 129,043.07

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Solution

The fourth proportional to 321,176.42, 481,727.10 and 129,043.07 is: 193,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,176.42 : 481,727.10 = 129,043.07 : x
  2. Step 2: Convert to fraction form
    321,176.42/481,727.10 = 129,043.07/x
  3. Step 3: Cross multiply
    321,176.42x = 481,727.10 × 129,043.07
  4. Step 4: Simplify right side
    321,176.42x = 62,163,543,886.20
  5. Step 5: Solve for x
    x = 62,163,543,886.20/321,176.42
  6. Step 6: Final answer
    x = 193,549.53

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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.