Home / 122,002.70-182,761.05-107,390.30

Finding the Fourth Proportional to 122,002.70, 182,761.05 and 107,390.30

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Solution

The fourth proportional to 122,002.70, 182,761.05 and 107,390.30 is: 160,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,002.70 : 182,761.05 = 107,390.30 : x
  2. Step 2: Convert to fraction form
    122,002.70/182,761.05 = 107,390.30/x
  3. Step 3: Cross multiply
    122,002.70x = 182,761.05 × 107,390.30
  4. Step 4: Simplify right side
    122,002.70x = 19,626,763,987.82
  5. Step 5: Solve for x
    x = 19,626,763,987.82/122,002.70
  6. Step 6: Final answer
    x = 160,871.55

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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.