Home / 131,971.77-197,939.70-43,214.67

Finding the Fourth Proportional to 131,971.77, 197,939.70 and 43,214.67

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Solution

The fourth proportional to 131,971.77, 197,939.70 and 43,214.67 is: 64,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.77 : 197,939.70 = 43,214.67 : x
  2. Step 2: Convert to fraction form
    131,971.77/197,939.70 = 43,214.67/x
  3. Step 3: Cross multiply
    131,971.77x = 197,939.70 × 43,214.67
  4. Step 4: Simplify right side
    131,971.77x = 8,553,898,815.40
  5. Step 5: Solve for x
    x = 8,553,898,815.40/131,971.77
  6. Step 6: Final answer
    x = 64,816.13

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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.