Home / 131,731.92-197,577.12-42,984.96

Finding the Fourth Proportional to 131,731.92, 197,577.12 and 42,984.96

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Solution

The fourth proportional to 131,731.92, 197,577.12 and 42,984.96 is: 64,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.92 : 197,577.12 = 42,984.96 : x
  2. Step 2: Convert to fraction form
    131,731.92/197,577.12 = 42,984.96/x
  3. Step 3: Cross multiply
    131,731.92x = 197,577.12 × 42,984.96
  4. Step 4: Simplify right side
    131,731.92x = 8,492,844,600.12
  5. Step 5: Solve for x
    x = 8,492,844,600.12/131,731.92
  6. Step 6: Final answer
    x = 64,470.67

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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.