Home / 131,543.49-197,389.23-71,576.29

Finding the Fourth Proportional to 131,543.49, 197,389.23 and 71,576.29

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Solution

The fourth proportional to 131,543.49, 197,389.23 and 71,576.29 is: 107,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,543.49 : 197,389.23 = 71,576.29 : x
  2. Step 2: Convert to fraction form
    131,543.49/197,389.23 = 71,576.29/x
  3. Step 3: Cross multiply
    131,543.49x = 197,389.23 × 71,576.29
  4. Step 4: Simplify right side
    131,543.49x = 14,128,388,769.36
  5. Step 5: Solve for x
    x = 14,128,388,769.36/131,543.49
  6. Step 6: Final answer
    x = 107,404.70

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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.