Home / 131,930.70-197,896.05-53,004.30

Finding the Fourth Proportional to 131,930.70, 197,896.05 and 53,004.30

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Solution

The fourth proportional to 131,930.70, 197,896.05 and 53,004.30 is: 79,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,930.70 : 197,896.05 = 53,004.30 : x
  2. Step 2: Convert to fraction form
    131,930.70/197,896.05 = 53,004.30/x
  3. Step 3: Cross multiply
    131,930.70x = 197,896.05 × 53,004.30
  4. Step 4: Simplify right side
    131,930.70x = 10,489,341,603.02
  5. Step 5: Solve for x
    x = 10,489,341,603.02/131,930.70
  6. Step 6: Final answer
    x = 79,506.45

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1.5x scale

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.