Home / 131,457.42-197,185.98-31,617.54

Finding the Fourth Proportional to 131,457.42, 197,185.98 and 31,617.54

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Solution

The fourth proportional to 131,457.42, 197,185.98 and 31,617.54 is: 47,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,457.42 : 197,185.98 = 31,617.54 : x
  2. Step 2: Convert to fraction form
    131,457.42/197,185.98 = 31,617.54/x
  3. Step 3: Cross multiply
    131,457.42x = 197,185.98 × 31,617.54
  4. Step 4: Simplify right side
    131,457.42x = 6,234,535,610.09
  5. Step 5: Solve for x
    x = 6,234,535,610.09/131,457.42
  6. Step 6: Final answer
    x = 47,426.27

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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.