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Finding the Fourth Proportional to 160,650.91, 240,527.07 and 121,084.03

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Solution

The fourth proportional to 160,650.91, 240,527.07 and 121,084.03 is: 181,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,650.91 : 240,527.07 = 121,084.03 : x
  2. Step 2: Convert to fraction form
    160,650.91/240,527.07 = 121,084.03/x
  3. Step 3: Cross multiply
    160,650.91x = 240,527.07 × 121,084.03
  4. Step 4: Simplify right side
    160,650.91x = 29,123,986,959.69
  5. Step 5: Solve for x
    x = 29,123,986,959.69/160,650.91
  6. Step 6: Final answer
    x = 181,287.41

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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.