Home / 131,353.85-197,012.32-42,608.16

Finding the Fourth Proportional to 131,353.85, 197,012.32 and 42,608.16

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Solution

The fourth proportional to 131,353.85, 197,012.32 and 42,608.16 is: 63,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,353.85 : 197,012.32 = 42,608.16 : x
  2. Step 2: Convert to fraction form
    131,353.85/197,012.32 = 42,608.16/x
  3. Step 3: Cross multiply
    131,353.85x = 197,012.32 × 42,608.16
  4. Step 4: Simplify right side
    131,353.85x = 8,394,332,346.01
  5. Step 5: Solve for x
    x = 8,394,332,346.01/131,353.85
  6. Step 6: Final answer
    x = 63,906.25

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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.