Home / 131,769.18-197,690.68-52,938.77

Finding the Fourth Proportional to 131,769.18, 197,690.68 and 52,938.77

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Solution

The fourth proportional to 131,769.18, 197,690.68 and 52,938.77 is: 79,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,769.18 : 197,690.68 = 52,938.77 : x
  2. Step 2: Convert to fraction form
    131,769.18/197,690.68 = 52,938.77/x
  3. Step 3: Cross multiply
    131,769.18x = 197,690.68 × 52,938.77
  4. Step 4: Simplify right side
    131,769.18x = 10,465,500,219.60
  5. Step 5: Solve for x
    x = 10,465,500,219.60/131,769.18
  6. Step 6: Final answer
    x = 79,422.97

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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.