Home / 131,971.80-197,937.66-43,223.34

Finding the Fourth Proportional to 131,971.80, 197,937.66 and 43,223.34

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Solution

The fourth proportional to 131,971.80, 197,937.66 and 43,223.34 is: 64,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.80 : 197,937.66 = 43,223.34 : x
  2. Step 2: Convert to fraction form
    131,971.80/197,937.66 = 43,223.34/x
  3. Step 3: Cross multiply
    131,971.80x = 197,937.66 × 43,223.34
  4. Step 4: Simplify right side
    131,971.80x = 8,555,526,776.98
  5. Step 5: Solve for x
    x = 8,555,526,776.98/131,971.80
  6. Step 6: Final answer
    x = 64,828.45

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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.