Home / 87,946.56-131,938.32-28,777.62

Finding the Fourth Proportional to 87,946.56, 131,938.32 and 28,777.62

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Solution

The fourth proportional to 87,946.56, 131,938.32 and 28,777.62 is: 43,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.56 : 131,938.32 = 28,777.62 : x
  2. Step 2: Convert to fraction form
    87,946.56/131,938.32 = 28,777.62/x
  3. Step 3: Cross multiply
    87,946.56x = 131,938.32 × 28,777.62
  4. Step 4: Simplify right side
    87,946.56x = 3,796,870,836.40
  5. Step 5: Solve for x
    x = 3,796,870,836.40/87,946.56
  6. Step 6: Final answer
    x = 43,172.48

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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.