Home / 131,726.90-197,007.15-110,731.70

Finding the Fourth Proportional to 131,726.90, 197,007.15 and 110,731.70

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Solution

The fourth proportional to 131,726.90, 197,007.15 and 110,731.70 is: 165,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.90 : 197,007.15 = 110,731.70 : x
  2. Step 2: Convert to fraction form
    131,726.90/197,007.15 = 110,731.70/x
  3. Step 3: Cross multiply
    131,726.90x = 197,007.15 × 110,731.70
  4. Step 4: Simplify right side
    131,726.90x = 21,814,936,631.66
  5. Step 5: Solve for x
    x = 21,814,936,631.66/131,726.90
  6. Step 6: Final answer
    x = 165,607.30

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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.