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Finding the Fourth Proportional to 173,710.80, 239,870.50 and 109,287.41

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Solution

The fourth proportional to 173,710.80, 239,870.50 and 109,287.41 is: 150,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,710.80 : 239,870.50 = 109,287.41 : x
  2. Step 2: Convert to fraction form
    173,710.80/239,870.50 = 109,287.41/x
  3. Step 3: Cross multiply
    173,710.80x = 239,870.50 × 109,287.41
  4. Step 4: Simplify right side
    173,710.80x = 26,214,825,680.41
  5. Step 5: Solve for x
    x = 26,214,825,680.41/173,710.80
  6. Step 6: Final answer
    x = 150,910.74

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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.