Home / 131,438.70-197,226.90-60,382.80

Finding the Fourth Proportional to 131,438.70, 197,226.90 and 60,382.80

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Solution

The fourth proportional to 131,438.70, 197,226.90 and 60,382.80 is: 90,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,438.70 : 197,226.90 = 60,382.80 : x
  2. Step 2: Convert to fraction form
    131,438.70/197,226.90 = 60,382.80/x
  3. Step 3: Cross multiply
    131,438.70x = 197,226.90 × 60,382.80
  4. Step 4: Simplify right side
    131,438.70x = 11,909,112,457.32
  5. Step 5: Solve for x
    x = 11,909,112,457.32/131,438.70
  6. Step 6: Final answer
    x = 90,605.83

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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.