Home / 131,532.12-197,331.26-75,435.57

Finding the Fourth Proportional to 131,532.12, 197,331.26 and 75,435.57

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Solution

The fourth proportional to 131,532.12, 197,331.26 and 75,435.57 is: 113,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,532.12 : 197,331.26 = 75,435.57 : x
  2. Step 2: Convert to fraction form
    131,532.12/197,331.26 = 75,435.57/x
  3. Step 3: Cross multiply
    131,532.12x = 197,331.26 × 75,435.57
  4. Step 4: Simplify right side
    131,532.12x = 14,885,795,699.74
  5. Step 5: Solve for x
    x = 14,885,795,699.74/131,532.12
  6. Step 6: Final answer
    x = 113,172.32

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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.