Home / 131,971.93-197,937.83-43,223.47

Finding the Fourth Proportional to 131,971.93, 197,937.83 and 43,223.47

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Solution

The fourth proportional to 131,971.93, 197,937.83 and 43,223.47 is: 64,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.93 : 197,937.83 = 43,223.47 : x
  2. Step 2: Convert to fraction form
    131,971.93/197,937.83 = 43,223.47/x
  3. Step 3: Cross multiply
    131,971.93x = 197,937.83 × 43,223.47
  4. Step 4: Simplify right side
    131,971.93x = 8,555,559,470.08
  5. Step 5: Solve for x
    x = 8,555,559,470.08/131,971.93
  6. Step 6: Final answer
    x = 64,828.63

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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.