Home / 131,201.80-196,899.90-52,372.60

Finding the Fourth Proportional to 131,201.80, 196,899.90 and 52,372.60

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Solution

The fourth proportional to 131,201.80, 196,899.90 and 52,372.60 is: 78,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,201.80 : 196,899.90 = 52,372.60 : x
  2. Step 2: Convert to fraction form
    131,201.80/196,899.90 = 52,372.60/x
  3. Step 3: Cross multiply
    131,201.80x = 196,899.90 × 52,372.60
  4. Step 4: Simplify right side
    131,201.80x = 10,312,159,702.74
  5. Step 5: Solve for x
    x = 10,312,159,702.74/131,201.80
  6. Step 6: Final answer
    x = 78,597.70

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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.