Home / 131,520.96-197,346.24-61,390.08

Finding the Fourth Proportional to 131,520.96, 197,346.24 and 61,390.08

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Solution

The fourth proportional to 131,520.96, 197,346.24 and 61,390.08 is: 92,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.96 : 197,346.24 = 61,390.08 : x
  2. Step 2: Convert to fraction form
    131,520.96/197,346.24 = 61,390.08/x
  3. Step 3: Cross multiply
    131,520.96x = 197,346.24 × 61,390.08
  4. Step 4: Simplify right side
    131,520.96x = 12,115,101,461.30
  5. Step 5: Solve for x
    x = 12,115,101,461.30/131,520.96
  6. Step 6: Final answer
    x = 92,115.37

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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.